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How did the Milky Way look like ＂potato chips＂？

　　Einstein once said: "The most incomprehensible thing in the universe is that the universe is comprehensible!" Since ancient times, the beautiful and vast Milky Way in the night sky has triggered countless imaginations and brave explorations, from the Three Kingdoms period "Xinghan is brilliant, like out of it" to the Song Dynasty "The Milky Way is like three thousand songs, and the bathing mallard flying heron is green"… It has pinned the expectations and yearning of generations of people for the Milky Way.

　　"Upturned" Milky Way

　　With the advance of observation technology, astronomers can gaze at the galaxy they dream of, and people’s understanding of the true face of the Milky Way is constantly improving. At present, the Milky Way we know is a galaxy about 200,000 light-years in diameter, with a box-shaped "nuclear ball" in the middle, surrounded by a flat "silver disc", and a huge "silver halo" looming above and below the silver disc.

　　About 70 years ago, scientists have known that the Milky Way is "warped". The edge region on one side is curved "up" from the plane of the Milky Way to the north, and the other side is curved "down". From a distance, it looks like the potato chips we usually eat. That is to say, when we look at the Milky Way from the side, we can see that the Milky Way has a S-shaped "body" that is convex and backward.

　　However, for a long time, due to the limitations of observation conditions, scientists could not vividly present the "potato chip-like" structure of the Milky Way in front of us with real and accurate star observation data.

How did the Milky Way look like "potato chips"?

　　In 2019, scientists in our country, Chen Xiaodian and others, first outlined the three-dimensional spatial distribution characteristics of the warping structure of the Milky Way through star counting, which provided direct observational evidence for humans to truly observe the structure of the Milky Way’s "potato chips".

　　The Milky Way, as a typical disk galaxy in the vast universe, has both universality and particularity. Why is the Milky Way so "warped"? What is the secret to maintaining an S-shaped body? For a long time, there have been various opinions and assumptions in the astronomical community, and it has become a hot topic of discussion among international astronomers.

How did the Milky Way look like "potato chips"?

Figure 2. Warp diagram of galaxy ESO 510-13, with tilting features at both left and right ends (Source: STScl/NASA)

　　"Upward" foresight

　　Some people think that the interaction between the Milky Way’s halo and the disk can produce a "warp structure"; some people think that gas falling into the Milky Way disk can give rise to a "warp structure" of the Milky Way disk; some people think that the Magellanic Cloud at the doorstep of the Milky Way or the collision of the neighboring Sagittarius galaxy is also a possibility; there is even a view that the Milky Way’s magnetic field also plays an important role in the formation of the "potato chip" structure and so on. For a long time, there have been new breakthroughs in the research on the source of warping, but it is difficult to reach a consensus.

　　Scientific theories need to be confirmed step by step by the measured data, and the ESA Gaia Survey presents an opportunity. Because the Gaia satellite can help us make unprecedented measurements of the three-dimensional speed of stars, astronomers use this new data to study and discuss warping increasingly.

　　In order to make it easier to understand, astrophysicists start from the macroscopic direction and simply classify the formation mechanism of the "potato chip" shape of the Milky Way disk into two categories:

　　The first type of reason is due to external attraction and influence, due to the attractive force process between the Milky Way disk and the surrounding non-luminous matter or the outer dwarf galaxy. Simply put, our Milky Way disk is like a star full of "idol baggage", attracting each other with the surrounding fans, and the "concave shape" has concave such a graceful figure.

　　The second type is considered to be a long-term evolution process that is not dominated by the interaction of attractive forces, and is simply called a non-attractive force process. For example, the influence of gas falling around the silver disk or magnetic field action caused the silver disk to be so "warped".

　　New knowledge of "warping"

　　If the second cause causes the "warp structure" of the galaxy, it is characterized by the bending strength of the young star family on the silver disk than that of the old star family. This is because if the non-attractive force process dominates, then the mechanism mainly acts on gas or young stars, and the old star has enough time to digest the influence of the external non-attractive force process on it, thus reflecting the distribution of bending strength of different stellar families that can be detected by humans.

　　Although we can use the massive data of the Gaia satellite to explore this, it currently measures the velocity of the star line of sight in a small range, and it cannot provide ideal star chemical information, age information, etc. Even the distance measurement of stars farther away from the galactic disk is not accurate enough.

　　Fortunately, our country’s major scientific and technological infrastructure, the Guo Shoujing Telescope (LAMOST), can better solve these shortcomings, and also provide us with an excellent opportunity to explore the origin of the galactic "warp" structure and inquire about its past, present and historical context.

How did the Milky Way look like "potato chips"?

Figure 3. LAMOST Telescope and the Milky Way (Source: Yuan Fengfang)

　　The international research team led by Wang Haifeng, a special young researcher of LAMOST, based on the rich information of stellar parameters in the LAMOST sky survey spectral data, cleverly constructed a probability distribution function, and traced the characteristics of the silver plate "potato chips" from a novel perspective.

　　They found that the bending strength of the "potato chip" form of the Milky Way disk decreases with the age of the star, and such a "warped" body can be maintained for a long time, but it is an unstable state. Based on scientific analysis, they reliably found evidence that the warped structure originated from a non-attractive force process represented by gas falling. Therefore, based on the advantages of LAMOST, the researchers found that the "warped" of the Milky Way disk is actually a structure that originated from a non-attractive force physical process and has been in an unstable state for a long time.

How did the Milky Way look like "potato chips"?

Evolution of galactic warping intensity, which decreases significantly with age, supports the conclusion that warping originates from non-attractive force processes

　　This discovery advances our understanding of the origin of warping and takes a whole new step towards understanding the warping and origin of the Milky Way’s disk.

　　In the future, the research team will make more efforts in terms of data and physics, gradually realizing the ideal of obtaining a complete physical image of the Milky Way, and then opening one mysterious and unknown door after another to restore the evolutionary history of the Milky Way and even the nearby universe.

　　About the author: Wang Haifeng, a postdoctoral fellow at the Southwest China Institute of Astronomy, Yunnan University, a distinguished young researcher at the Chinese Academy of Sciences LAMOST, and a Ph.D. in astrophysics at the National Astronomical Observatory of the Chinese Academy of Sciences. Research areas: chemical dynamics structure of the Milky Way, time-domain stellar physics, astronomical big data processing and analysis, etc.; Li Shuang, an engineer at the National Astronomical Observatory of the Chinese Academy of Sciences, is the publicity director of the LAMOST Operation and Development Center.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 unveiled

　　On March 18, on the Deep Blue Auto Super Range Extension Technology Evolution Day, Deep Blue Auto CEO Deng Chenghao unveiled the mystery of the Deep Blue G318 and released the technical evolution of Deep Blue Super Range Extension 2.0.

　　Deng Chenghao claims that the first launch of the new blockbuster model, the dark blue G318, equipped with the dark blue super range extension 2.0, solves the pain of high energy consumption of traditional hard-core SUVs, and the new futuristic hard-core styling design of the new car also solves the pain of the similarity of the traditional hard-core styling. The high passability brought by the dual-motor rear four-wheel drive, the empty hanging + CDC + magic carpet, makes the driving experience like a flat ground, solves the pain of the traditional hard-core comfort difference, and the new design space solves the small pain of the traditional hard-core space. He defines the deep blue G318 as the industry’s first technology new hard-core SUV that solves the four major pain points of traditional hard-core.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image001

　　At the same time, the technological evolution of Deep Blue Super Range 2.0 has once again enhanced the three user values of "super saving, super cool and super safe". Driven by the tide of new energy, Deep Blue Automobile is committed to developing electric technology and continuing to explore future technologies. Deep Blue Super Range also strives to become a green travel all-scenario solution that meets China’s national conditions.

　　Why is the dark blue super extension called the "hybrid ceiling"?

　　Deep Blue Super Range Extension 2.0 integrates Force Super Range Electric Drive 2.0, Force Intelligent Range Extension 2.0, and Golden Bell Battery 2.0. Among them, Force Super Range Extension 2.0 brings together many leading technologies, and the highest efficiency of electric drive assembly is 92.59%. Force Intelligent Range Extension 2.0 realizes that 1L of oil can generate 3.63 kWh of electricity, which greatly reduces the cost of using the car and allows users to save money more and more.

　　Deep Blue Super Range Extension can realize pure electric drive, with natural rear drive characteristics, linear and smooth power output, and stable driving. In addition, empowered by technologies such as intelligent energy management strategy and non-inductive NVH with active control of howling frequency conversion, it can realize non-inductive start-stop and silent operation, bringing users a "tram feeling" driving experience.

　　In terms of safety, Deep Blue Super Range uses Golden Bell Battery 2.0 technology to achieve real zero fire on 150,000 units. On March 6 in Xinzhou, Shanxi, Deep Blue S7 was rolled over by nearly 50 tons of trucks. The battery was firmly pressed on the ground and bore all the weight. There was no thermal runaway. Thanks to the high safety of Deep Blue Super Range Extension and Deep Blue S7, three passengers were protected.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image002

　　Deep Blue Super Range Extension, fully autonomous and in-depth grasp of the core technology of the engine. In the global mass production of all-in-one products, the power density is relatively high, reaching 2.53kW/kg, the electric drive module is small in size, light in weight, and has good power output; the efficiency of the electric drive assembly is as high as 92.59%, allowing the car to drive farther; 0.2mm mass production of ultra-thin low-loss fixed rotor silicon steel sheet efficiency increased by 0.5%, the first mass production of micronucleus high-frequency pulse heating technology can quickly heat the battery in freezing weather, allowing the battery to achieve the best working state, reduce battery cold attenuation, and last longer; the oil-to-electricity conversion efficiency reaches 1L of oil, which can generate 3.63 kWh of electricity, with the least oil, generate the most electricity, and run the farthest mileage; the first 150mJ high-energy ignition system can make the fuel burn more fully, save more fuel, and have better power output; the 500bar ultra-high pressure fuel injection system has greater pressure and better atomization effect The combustion is more complete, the emissions are cleaner, and the fuel economy is more efficient; the stroke bore ratio of S/D = 1.45 and the low friction technology make the power efficiency higher, more fuel-efficient, and better power output; the battery manufacturing failure rate is PPB (1/1 billion) significantly ahead of the industry.

　　The new blockbuster model, the dark blue G318, was unveiled

　　In 1958, Changan built China’s first hardcore Jeep, establishing Changan Automobile’s leading position in the field of hardcore SUVs. Now with Deep Blue’s super range extension technology empowered, the new blockbuster model G318 has the strength to become a new hardcore SUV that can not only meet users’ hardcore needs, but also innovatively solve the four major pain points of traditional hardcore styling, poor comfort, small space and high energy consumption.

　　Based on the design concept of Cybermetal and rough stone cutting, the new hardcore shape of the dark blue G318 is like a starship. The million-class luxury car configuration of double arms + multi-link + R-EPS steering system brings the sense of control of a city sedan; the luxury configuration of magic carpet + CDC + empty suspension makes the driving experience like walking on the ground, and the world-class master adjustment brings chassis performance and riding enjoyment, and the overall comfort is improved.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image003

　　The dark blue G318 uses the innovative design of removing the girder to ensure the interior space. The load-bearing body achieves a torsional stiffness of 45000Nm/deg, far exceeding that of the Land Rover Defender, which can better absorb road vibration and provide users with a smoother riding experience. 5010 * 1985 * 1960mm large body size, 2880mm long wheelbase, 61% of the car’s occupancy rate, and 68% of the car’s occupancy rate, which exceeds the traditional hardcore model and brings a more spacious driving space.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image004

　　All-round extension space, small bungalow on the second floor (300kg static load-bearing), rear-facing 1.6T qualification trailer, driving on searchlights, 6kW external discharge power, all showing that the dark blue G318 is leading the hard new fashion. Lower curb quality, coupled with the empowerment of the dark blue super range extension 2.0, the deep blue G318 feed fuel consumption is as low as 7.4L/100km (WLTC).

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image005

　　The new power system makes the deep blue G318 a true hard-core car, dual motor four-wheel drive, full working conditions true four-wheel drive, compared with traditional fuel four-wheel drive, the power response is twice as fast, supports OurHours true four-wheel drive, torque stepless distribution, a central stepless differential lock, intelligent opening, strong ability to get out of trouble, and can easily deal with extreme scenarios. A magnetic mechanical differential lock, compared with the traditional turbo worm push engagement structure, the response is doubled, the impact is reduced by 50%, and the pleasure of conquering obstacles can be obtained in comfort.

　　The G318 integrates 16 driving modes, including 5 daily modes, 5 terrain modes (wading, snow, rough, mud, sand), 3 special scenarios (in-place U-turn, steep descent, off-road creep), and 3 energy management modes, covering a variety of terrain modes, making it easy to control a variety of road conditions.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image006

　　Double wisharm + multi-link, with larger wheel working stroke, better anti-roll ability of the body, better road vibration isolation, so that the vehicle is more comfortable and better performance. The R-EPS steering system of circulating ball power is mostly used in million-level luxury cars or performance supercars. The real active magic carpet is equipped with a road scanning camera, anticipating obstacles in advance, automatically adjusting the soft and hard high and low states of the suspension, and always maintaining a comfortable driving experience. With the road preview exclusive algorithm, 3.40 trillion operations per second, the accuracy rate of road obstacle recognition is greater than 80%.

Hardcore SUV market adds new strength, dark blue new blockbuster model G318 debut _fororder_image007

　　From the product power and technology point of view, deep blue G318 hard core capability, shape, comfort, large space, low energy consumption and other core values with 300,000 product strength, taking into account the market price blank range and deep blue car has always been "roll king" style, in order to sell deep blue G318 explosion, the main model price is expected to pull to 250,000 – 300,000 yuan range, if so, will be the entire flagship hard SUV market another "flip the table" move. (Text: Wu Yue, Figure: dark blue car)

car change

□ Cao Xianbin

At the age of 12, I was admitted to Laowuji Junior High School from the remote primary school in Dashan Village, Lichuan. My father took me to school with an old bed of cotton wool and a wooden box. At that time, the mountain road was winding and winding, going up dirt slopes and down stone stairs. It took 17 or 8 miles to get to school. The journey was by walking, and everyone laughed at the "No. 11" bicycle.

In the three years of junior high school, every time I passed the road section of the old house, I saw more carro?as, one person pulling in front, and two or three people pushing in the back. Occasionally, I saw bicycles and tractors that made "chug chug chug" sounds to transport items, and I longed for it, thinking about when I could get on the scenery!

After graduating from junior high school, I was admitted to the city to go to school, and only then did I know that there was a bus that shuttled between Zhonglu Road and Lichuan. At that time, if you wanted to go to Lichuan by car, you had to wait by the old house road in advance. I still clearly remember that the first time I took a bus was chasing after my classmates, clutching the window at a turning slope, and being dragged in by a kind adult.

At that time, the school I was studying at was on the outskirts of the city. Every weekend, I would make an appointment with my classmates to go to the city to watch movies and go shopping. When I got tired of shopping, a few classmates pooled together money to occasionally take the "Tu Ma" or ride the bicycles of wealthy classmates back to school.

In the late 1980s, I started working. The village where I was located had a wide plowing road, and I often saw tractors, bicycles, motorcycles, etc. going back and forth. In a few years, the villagers rushed to go out to "work" or "go to the sea", and three-wheeled motorcycles, "double-row seats", and Changan automobiles gradually entered every household. Passenger transportation, electric numbness, etc., as long as you are willing to pay, you can go to the market, visit relatives and friends, and take you anywhere you want.

At that time, I saved up a year’s salary to buy a motorcycle. In my spare time, I made friends and rode my beloved motorcycle out for drag racing, and the "riding" was endless fun.

In the early 20th century, during the summer vacation, I occasionally went to Wuhan for training. I had to take a bus one day and one night in advance, and then take a few buses or taxis to arrive.

In 2010, the Lichuan Railway Station opened. When my son was in college, our family took the green leather train from Lichuan to Changsha, which swayed for a day and a night to reach the destination. Today, it only takes 4.5 hours to reach Wuhan by train, and it only takes seven or eight hours to change trains halfway to Changsha.

My family’s "Buick" car 10 years ago has now been replaced by a "Mercedes-Benz" off-road vehicle. During the holidays, my wife takes our family of four to visit relatives and friends, and to visit the mountains and rivers.

Returning to my hometown during the Spring Festival this year, I found cars parked on both sides of the highway and in the courtyards of every household, which became a beautiful scenery in the mountains and villages.

The motherland is taking off and my hometown is developing. The change of cars has witnessed the rapid changes in urban and rural areas and the change of transportation means in our state over the past 40 years. I am extremely proud to live in such a country and such an era.

After Didi stopped serving at night, who benefited？ Listen to what other car platform drivers have to say

　　Since Saturday, Didi has suspended all online ride-hailing services at night, and passengers cannot use the Didi platform to order rides from 11am to 5am. However, the demand for night trips is not small, so who benefits from Didi’s policy? Are the drivers of other private car platforms "reaping benefits"?

　　Taxi Driver: OK.

　　"It’s very easy to pull at night now, you can earn an extra 200 yuan in one night!" A taxi driver told a Beijing Youth Daily reporter that after Didi stopped late-night service, he collected his car from 11pm to 2am, and could earn an extra 200 yuan a day.

　　Another taxi driver said that he would "pick jobs" near 11 p.m. and choose "big orders" that are farther away, because after 11 p.m., he would be subject to the randomness of the promotion and could not choose for himself. He also said that there are many people who call a taxi when 11 p.m. is approaching. "There are people who add 10 yuan and 20 yuan."

　　In interviews, many taxi drivers believe that the late-night outage of the Didi platform is "good" for them. On the one hand, passengers have no options such as express trains, and more people take taxis; on the other hand, there are still platforms such as Didi, Shouqi, and Feidi running, which can call taxis. If you want to pick big jobs, you are not completely dependent on Didi’s platform.

　　Shenzhou driver: The order volume has increased, but it is not obvious

　　A Chinese-owned driver said that after the Didi platform was suspended, the number of orders in the evening increased. "Before, I could pull about 3 in one night, but now it is almost doubled. But in fact, the money I earn has not increased too much, because the running time is limited after all, and the commission is not much." He said that he usually runs from 2pm to around 1am. Recently, after Didi stopped late-night service, the number of orders per night has increased relatively. "Before, sometimes I would wait for an hour to pull an order, but now there is no such long waiting time. But our commission for an order is about 20%, and I don’t get much personally."

　　Another Shenzhou franchised driver said that Shenzhou and himself are purely platform-sharing relationships, "We take 65% of each order by ourselves, and the platform takes 35%. I came out to run for a day on the evening of the 8th, and I earned an extra 100 yuan." He also said that the mechanism of Shenzhou’s special car is that the driver can only see the destination of the passenger after receiving the order and arriving at the place where the passenger gets on the bus, and at night, some destinations are in the suburbs. Orders he is unwilling to run.

　　Shouqi driver: The departure time is a personal habit and will not be easily changed

　　Shouqi launched the "Night Guarantee Operation" on September 8, and carried out guarantees in Beijing, Guangzhou, Shenzhen and other cities. A Shouqi driver told the Beijing Youth Daily that Shouqi called on the driver to leave the car from the 8th to the 15th, which is the stage of Didi’s night outage, to ensure the smooth and safe travel of passengers. For this, the company specially rewarded the driver who left the car.

　　However, he also said that the reward amount is not very high. "It is about double the points, about 5 yuan for one order and 20 yuan for three orders." He believes that the protection action is more of a responsibility and moral incentive. "For drivers, if I run more, I have to stick gas and stay up late, so I can’t make much more money at night."

　　Another driver of Shouqi’s car-booking said that because Shouqi’s car-booking vehicles belong to the company and the drivers are their own, most of them have a base salary of several thousand yuan, and they will only get extra commissions when they exceed the time and amount of work. In addition, the company only subsidizes part of the fuel cost, and the excess part has to be paid by themselves. Therefore, many drivers are not very motivated. "I usually choose to leave the car in the morning, because this can basically run two peaks in the morning and evening, almost 5 hours, and the income is relatively high. The company has adjusted the price, raising the price during peak hours and lowering the price during peak hours, so that the price during peak hours is almost the same as that of ordinary taxis."

　　Beiqing Daily reporter inquired that from 7:00 am to 10:00 am and 5:00 pm to 7:00 pm every day are the peak hours for the first car to book a car. The mileage fee is 3.8 yuan/km, which is higher than 2.3 yuan/km during the peak hours, and the duration fee is 1.0 yuan/minute, which is also much higher than 0.2 yuan/minute during the peak hours. However, from 9:00 pm to 6:00 am, there is also a "night surcharge", which is charged 1.5 yuan/km and 0.8 yuan/minute, and the fee is the same as during peak hours. One driver said that the departure time is actually a matter of personal habits. "It will not change personal habits and work and rest just because Didi is out of service for a few days."

　　Wen Jing, Beijing Youth Daily reporter

Director’s Notes： Ren Xianqi

??The guest of this issue of the "Light and Shadow Star Podcast" is our old friend. He is a mature but funny little boy – Ren Xianqi! Two years ago, when Brother Qi came to the "Light and Shadow Star Podcast", he improvised a "Smurf". This time, he still played and sang in the makeup room at will. It was still a happy melody and an unforgettable scene. I think Brother Qi’s voice has a kind of magic, which makes people calm down naturally as soon as they listen to it.

??During the live recording, Brother Qi was very friendly to all the staff, and he was also very cooperative with the director. He always required excellence, and he must use the most accurate words between "attentive" and "careful". He was also very considerate to the staff who dressed up as "Black Cat Sheriff", and it could be seen that he was trying his best to submit the efficiency and shorten the time for the shooting of "Black Cat Sheriff", because the studio was really hot. Who doesn’t like Ren Xianqi, who is so cute and kind, and has a high appearance?

??This time, Ren Xianqi came to our show with his self-written, self-directed and self-starred movie "Run Away! Bride". Do you want to know the director’s strength of Xiao Qi? Curious about why the bride ran away? Hurry up and enter the cinema, let’s support Xiao Qi together! Support this soul singer!

Volvo S60 in Yuncheng has greatly reduced its price, with the latest offer of 224,900! just this once

Recently, car home Yuncheng preferential promotion channel has launched an exciting preferential activity, and the preferential car series is. This luxury car is currently on sale in Yuncheng area, with a maximum discount of 88,800 yuan. The starting price is 224,900 yuan, which allows car buyers to buy this high-quality model at a more affordable price. If you are interested in this model, you can click the "Check Car Price" button in the quotation form to get a higher discount.

Volvo S60 is a car full of modernity and luxury, and its exterior design adopts a unique front face design, showing the unique charm of the brand. The air intake grille adopts Volvo’s family-style straight waterfall design, and with large-size chrome-plated decorative strips, it creates a strong brand recognition. The overall style is simple and generous, the lines are smooth, and the body lines are smooth and dynamic, showing an elegant and steady temperament. No matter from the front or rear of the car, the Volvo S60 shows its unique design charm, which is impressive. The lines on the side of the car body are smooth and powerful, and it is more dynamic with large-sized wheels. Generally speaking, the design of Volvo S60 is full of modernity and luxury, which leaves a deep impression on people.

Volvo S60 is a medium-sized car, with a body size of 4778*1850*1437, a wheelbase of 2872mm, and a front and rear track of 1600 mm.. The body lines are smooth, the side design is simple and atmospheric, and the overall shape is fashionable and dynamic. Tyre size is 225/50 R17, the front tires are the same as those in tyre size, and the rim style is simple and exquisite, which adds a sense of stability to the vehicle.

Volvo S60′ s interior design is simple and generous, with black and brown color scheme, giving people a sense of high class and comfort. The steering wheel is made of leather, which feels comfortable and the position can be manually adjusted up and down and back and forth. The 9-inch central control screen is large in size and equipped with voice recognition control system, which can control multimedia system, navigation, telephone and air conditioning. Both the front row and the back row are equipped with two USB/Type-C interfaces, which is convenient for charging and connecting devices. The seat is made of imitation leather. The front and rear adjustment, backrest adjustment, height adjustment and lumbar support adjustment can be carried out for the main and co-pilot seats. The driver’s seat is also equipped with electric seat memory function. The front seats also have a heating function. Generally speaking, the interior design of Volvo S60 is exquisite, comfortable and practical.

Volvo S60 is equipped with a 2.0T 197 horsepower L4 engine with a maximum power of 145 kW and a maximum torque of 300 N m.. This engine is matched with a 7-speed wet dual-clutch gearbox, which can provide a smooth shifting experience and abundant power output. Whether it’s city driving or high-speed cruising, Volvo S60 can do it easily. At the same time, this engine also has excellent dynamic response and fuel economy, making your driving experience more comfortable and economical.

In the communication with the owner of car home, we learned that he spoke highly of the design of Volvo S60. Although there are relatively few color choices, he thinks that the overall appearance is very atmospheric, especially the front face design is quite beautiful. Volvo has always been famous for its unique design and exquisite craftsmanship, and S60, as one of the main models of the brand, naturally lives up to expectations. From the evaluation of car home car owners, we can see that the design of S60 has been widely recognized. I believe that in the near future, S60 will continue to bring amazing driving experience and beautiful driving memories to more car owners.

What kind of car is e300？

Mercedes-Benz E300 is a luxury car. The following is its related introduction:

In terms of appearance, the front face design of Mercedes-Benz E300 is the same as that of the imported version, with sharp lines of split high beam and low beam, and the overall effect is young and dynamic, completely washing away the image of "capital". The LED light group in the front of the car explains the word fashion more thoroughly. From the appearance, the new E-class extended edition of Mercedes-Benz has no change from the imported E-class, but some adjustments have been made for the China market in terms of body length, width and wheelbase. The body length of the domestic Mercedes-Benz E-Class extended version is 5012mm, the wheelbase is increased by 140mm, reaching 3014mm, and the body width remains unchanged.

In terms of interior, the interior of Mercedes-Benz E300 is dark gray, which looks younger. With brown seats, it feels very upscale. The center console focuses on the large-size GPS navigation screen, which is clear and easy to read. The middle part is the audio control button, which is convenient for the driver to operate. The lower part is the air conditioning control button, which is simple and convenient to operate.

As a luxury car, Mercedes-Benz E300 not only has a young and dynamic design in appearance, but also has exquisite interior, providing drivers with a comfortable driving experience. At the same time, the adjustment of its body size also makes it more suitable for the demand of China market. If you need to know more about Mercedes-Benz E300, you can go to Mercedes-Benz official website or a physical store to learn more about it.

Great Wall Gun Beijing Auto Show Brush C-position, set up a new pickup order by going to sea ecologically!

At the 2024 Beijing Auto Show, the Great Wall Gun, the leader of pickup trucks in China, occupied an absolute C position: the 2.4T Great Wall Gun, a "global high-performance pickup truck", officially opened for pre-sale, and the pre-sale price of the 2.4T passenger gun was 148,800 yuan; The pre-sale price of commercial gun 2.4T is 126,800-138,800 yuan. In addition, the high-end luxury off-road new energy pickup truck, Shanhai Gun Hi4-T, was unveiled at the same time, bringing more power, more complete scenes and extremely reliable benchmark car experience.

Since 2019, the Great Wall Gun was born, which triggered the upgrade revolution of pickup truck market in China. Every time a new product is launched, it will quickly become popular in the market, thus boosting industrial upgrading. This year’s Beijing Auto Show, the new car of Great Wall Gun is heavy, what kind of vitality can it inject into the future market?

First of all, sales at home and abroad will be boosted by "fuel". According to the latest data, Great Wall pickup trucks sold 17,569 vehicles worldwide in March, accounting for nearly 50% of the domestic market; From January to March, a total of 43,495 new pickups were sold. Great Wall pickup trucks sold 3,440 vehicles overseas in March, a year-on-year increase of 25%. From January to March, the cumulative export volume of Great Wall pickup trucks reached 10,414 vehicles, up 19% year-on-year. In China, the Great Wall pickup truck has written the myth that "the domestic terminal market share is nearly 50%"; Overseas, the Great Wall pickup truck has maintained the leading position in export sales of China pickup truck brand with a high-spirited attitude. After the follow-up power of this impressive sales volume is added with the most powerful diesel pickup truck within 200,000 in China-the Great Wall Gun 2.4T model and the optimal solution of new energy pickup truck-the Shanhai Gun Hi4-T, the global sales volume of the Great Wall Gun will be "opened" again.

In addition, Shanhai Gun Hi4-T and its brother model Shanhai Gun HEV are the top three swords in the world. "Great Wall Cannon, China Cannon and Global Cannon", with the continuous innovation in pickup truck categories, the models that closely fit various scenes and take into account the whole scene are constantly enriched and upgraded. Great Wall Cannon has improved Chinese people’s understanding of pickup truck categories and led the industry’s passenger, high-end, intelligent and diversified development. At the same time, its overseas popularity and influence are increasing day by day, and it has been listed in more than 50 countries on four continents around the world and won the annual awards in Australia, South America and South Africa. With the new energy becoming the general trend of global pickup truck development, Great Wall Gun stands out in the world by virtue of its technological and innovative advantages, and the speed of globalization is becoming increasingly obvious, which is also the most proud thing of China’s pickup truck manufacturing industry!

Like a bamboo, globalization is speeding up.

In March, at the 2024 Bangkok International Auto Show in Thailand, the Great Wall Shanhai Cannon HEV, which was positioned as the "new first-class smart pickup truck", officially opened for pre-sale, becoming the first new energy pickup truck product in Thailand’s auto market, and won the Best Commercial HEV Model Award from the Auto Show Organizing Committee in 2024.

In Thailand, pickup trucks are indispensable to people’s lives, and half of new car sales come from pickup trucks every year, forming a culture of using cars in the whole scene. However, in Thailand, China pickup truck is actually facing great challenges if it wants to gain a foothold in the market. Japanese auto giants have long occupied a dominant position, and the established market barriers is like a steel plate that is difficult to penetrate. However, judging from the current situation, the Japanese auto giants have a serious sense of crisis, and the once unbreakable market order seems to be blown to pieces in front of the Great Wall Gun.

First of all, this is due to the strong technical strength and innovation ability of Great Wall pickup truck, which can quickly launch smarter products that are more in line with the current global development, so that overseas consumers have more choices and better choices in choosing pickup trucks. Moreover, the advantages of the Great Wall pickup truck service system in China have been extended overseas, so that international consumers can also enjoy better and more convenient service guarantee.

As the first and only hybrid pickup truck model in Thailand, Shanhai Gun HEV has played a role in inciting and reshaping the pickup truck market in Thailand, making Thailand an important position for the globalization of the Great Wall Gun, radiating a wider Southeast Asian market, and accumulating strength for the continuous development of the ASEAN market, thus speeding up the globalization goal of the Great Wall Gun sword pointing to the top three in the world.

Since its birth, Great Wall Cannon has set its sights on the global market, enhanced its product strength and value by deeply applying the ride-sharing technology to the dual-use products of passengers and merchants, and persisted in global R&D, global manufacturing and global sharing to build a truly global car. In addition, the Great Wall Cannon is rooted in overseas local culture, and has tailored a new way of playing pickup trucks for the local area, integrating the Chinese pickup truck culture created by the whole scene, cross-circle and users into it, and realizing the "firing" upsurge of powerful circle-breaking.

Up to now, Great Wall Gun has been listed in more than 50 countries on four continents, representing China pickup truck in the global market. Judging from the specific market situation, the Great Wall Gun has completed a relatively complete layout in the global typical pickup truck market:

In Australia, Great Wall Gun became the first China automobile brand to receive a five-star safety rating under the new test standard of ANCAP in 2021. In 2023, the sales volume of the Great Wall Cannon squeezed into the seventh place in Australia, a year-on-year increase of 23.2%.

In Russia, the Great Wall pickup truck won the sales crown in 2023, an increase of 250.6% compared with 2022. The Great Wall Cannon ranks first in model sales, and the sales of King Kong Cannon and Fengjun series enter the top ten in pickup truck sales list.

In South Africa, the Great Wall brand ranks first in China, and in 2022, the South African Automobile Industry Association won the "Best New Pickup Truck of the Year" award against many international big-name models. In 2023, the Great Wall cross-country gun won the South African pickup truck model award of the year, which once again enhanced the recognition of the Great Wall gun by South African consumers.

In the Middle East, Great Wall Motor signed a strategic cooperation agreement with Teyseer Motors, a local car dealer in Qatar, thus officially entering the Qatar market, including pickup trucks. This cooperation means that the Great Wall pickup truck will fully cover the six markets of Gulf Cooperation Council (GCC).

On the other side of the globe, the Great Wall Gun was produced locally in Ecuador. In Chile, the Great Wall Cannon went on the market for one month and won the "Best Pickup of the Year" award selected by MT ONLINE, ranking first in monthly sales for many times.

Win honor with strength and beat the market with products. Starting from Thailand, Brazil and Mexico will be the markets for the further development of the Great Wall Gun. Following the footsteps of Great Wall Motor, the globalization process of Great Wall Gun is in full swing.

Ecological going out to sea, "double-line" development

All along, the Great Wall Gun has been trying to "break the ice" in enhancing Chinese people’s awareness of pickup trucks, and actively promoting multi-scene use and expanding pickup truck users. At present, new energy is an irreversible development trend of the automobile industry, and new energy is also an opportunity to bring pickup trucks into the mainstream automobile product circle and further promote the household and passenger use of pickup trucks.

In order to enhance the value of pickup trucks, Great Wall Gun has spared no effort. The globalization strategy of Great Wall Gun has been rapidly upgraded to "going out to sea in an ecological way", taking the lead in the field of new energy, paving the way for its own brand and China pickup truck to popularize and enhance its popularity in the world in the future.

In fact, before it became the first and only hybrid pickup truck model in Thailand, Shanhai Artillery HEV was unveiled in Australia, and it will also be the first hybrid pickup truck mass-produced in Australia. From the time point of view, the Great Wall Gun has competed with Ford and Toyota in the decisive battle field of new energy, the future global pickup market, and seized the "highland".

Compared with the Great Wall Gun, the American and Japanese pickup truck giants are obviously slow in the layout of pickup trucks. The Ford Ranger plug-in hybrid model will not be launched until 2025, while the Toyota Hilux only has a 48V light mixing system, and the hybrid model is still missing.

To achieve the goal of becoming the top three pickup trucks in the world, Great Wall Gun needs long-term planning and execution in product upgrading. The Great Wall Gun never pulls its crotch in terms of products, and it has a rapid upgrade and update, and also has multiple unique design functions. In the tide of pickup truck’s new energy, the Great Wall Gun has shown its power to shake the global pickup truck pattern, and it is only a matter of time before it takes a place in the world.

It is worth mentioning that in the new energy products and globalization strategy of Great Wall Gun, the layout of "two-line development" is adopted, and the domestic market is the foundation.

In terms of new energy products, Shanhai Gun HEV is specially aimed at overseas markets, and Shanhai Gun Hi4-T, which was unveiled at Beijing Auto Show, is a surprise left by Great Wall Gun to domestic users. Compared with other hybrid forms, the Shanhai Gun Hi4-T retains the advantages of the traditional hard-core pickup truck to the maximum extent, but also incorporates the characteristics of new energy power, which can be both oil and electricity.

Shanhai Gun Hi4-T is equipped with 2.0T+9HAT powertrain and matched with P2 motor. Under parallel drive, the comprehensive power of the system is 300kW and the maximum comprehensive torque is 750 N m. The maximum power of P2 motor is 120kW and the maximum torque is 400N·m, and the peak efficiency is over 95%. The motor can reach the maximum torque in an instant, which makes the acceleration of the whole vehicle 100 kilometers only 7.15 seconds.

In this 2.0T+9HAT super hybrid system, a 2.0T Miller cycle hybrid engine is used, with the maximum power of 185kW and the maximum torque of 380N·m, and the maximum torque output can be achieved at 1700~4000rpm. The strong combination of hybrid special engine and high-power motor combines the characteristics of high engine stability and strong explosive power of motor, which makes the whole vehicle start lightly and overtake quickly. In extreme scenes such as getting out of trouble and climbing, the motor will assist the engine and comprehensively improve the explosive power of the vehicle. Even in extreme driving environments such as plateau, high temperature and cold, the power performance is still strong. Intelligent energy control system reduces the fuel consumption of the whole vehicle, achieving the purpose of economy and fuel saving.

In terms of safety, the battery layout of Shanhai Gun Hi4-T is groundbreaking, and it is fixed on the inner side of the transverse and longitudinal beams of the frame and above the frame at multiple points, thus avoiding the collision of the battery pack. At the same time, the protective plate is designed, and the surface is galvanized+electrophoretic+scratch-resistant coating, and the three-layer protection improves the rust-proof and scratch-resistant performance.

Because it is a hybrid model, Shanhai Gun Hi4-T has three power modes: pure electric, hybrid and intelligent. The battery has a partial capacity of 37.1kW?h, which can meet the pure battery life of 100km. Coupled with the 75L super-large fuel tank, the comprehensive cruising range can reach 780km. Moreover, in the intelligent mode, the oil and power consumption are both reduced, the comprehensive fuel consumption can be as low as 2.5L/100km, and the feed fuel consumption is only 10.2L/100km. The charging time is also quite saving. With 50kW high-power DC fast charging, the power can be changed from 30% to 80% in 26 minutes.

With the blessing of "electricity", the Shanhai Gun Hi4-T also has a powerful external discharge function. The discharge port supports 5.5kW high-power external discharge, which meets the outdoor expansion of coffee machines, projectors, most household appliances, etc., and is enough to solve the power consumption problems such as outdoor camping and picnics. Two 220V power connectors are reserved in the cab and the trunk, with 120W in the cab and 2.2kW in the trunk power supply, which can support the power demand of multiple devices at the same time. In addition, the new SOC energy management strategy can automatically adjust the proportion of oil and electricity according to the user’s habits, road conditions, traffic conditions, etc., and realize the personalized adaptation of the whole scene and all terrain. In addition, the Shanhai Gun Hi4-T adopts non-decoupled mechanical four-wheel drive with three locks, and the whole vehicle can easily match different car scenes to meet the needs of various outdoor scenes such as self-driving travel and camping.

Many innovations in the fuel version of Shanhai Gun, such as: equipped with advanced intelligent driving assistance system, the first design in China to improve the convenience of multi-scene use, luxurious riding experience and intelligent level in the car, C6 towing qualification that can meet the certification of 3.3-ton trailer, NVH quiet design, etc., have been extended to Shanhai Gun HI4-T.

In terms of globalization strategy, new energy products are a sharp weapon to open and expand overseas markets, while the domestic market is the base camp for the Great Wall Gun to continue to innovate, which not only enhances the influence of pickup trucks in China, but also continuously delivers "shells" to overseas markets, improving and strengthening its overseas competitiveness.

In 2024, the Great Wall Gun has been constantly upgrading its products: the model of "King Kong Gun" equipped with ZF 8AT gearbox was officially launched; Passenger guns, commercial guns and off-road guns have added 2.4T diesel engines of the same model as Shanhai guns, and the traction qualification has been upgraded to 3 tons.

It is not difficult to see that upgrading to a stronger engine and a more advanced gearbox is the next direction of the Great Wall Gun in domestic products. At the same time, "improving the overall performance" is also the development focus of the Great Wall Gun fuel pickup truck, which not only brings more satisfactory car experience to all kinds of users, but also helps the brand to achieve the two-way power of "fuel and new energy" in overseas markets.

Comments:

Looking back, when Great Wall Cannon became an independent brand of pickup trucks and shouted the slogan of "becoming the top three in the world", many people knew in their hearts that it was to compete directly with pickup truck giants such as Ford, Toyota and Isuzu. But how many people can foresee that the Great Wall Gun can rise rapidly in six years and achieve today’s achievements.

"Strong civil war, expert in foreign war"! At home, although the joint venture has played its cards and introduced the latest models of the same model from overseas to China, the Great Wall Gun has always gained the upper hand in the contest with the joint venture. Overseas, the pace of globalization of the Great Wall Gun is solid and powerful, and it has quickly opened up big markets such as Australia. With the help of the new energy trend, Great Wall Gun began to March into important markets such as Thailand, and its own technological advantages and innovation ability seemed more like a duck to water.

Has entered the trial production stage! The factory satellite map first exposed, Xiaomi car is coming？

Recently, we obtained a real satellite photo of Xiaomi Automobile Factory from relevant channels. It is reported that the factory has 6 workshops, and it is already in the trial production stage, producing about 50 prototype cars every week, with an annual production capacity of 150,000 in the future.

Specifically, this is the first phase satellite image of Xiaomi Automobile’s factory in Yizhuang, Beijing. As can be seen from the picture, the factory has six workshops, namely, die casting workshop, stamping workshop, body workshop, painting workshop, assembly workshop and battery workshop. In addition, according to informed sources, Xiaomi Automobile is expected to get the approval from the Ministry of Industry and Information Technology during the year, and will fully accelerate the mass production of Xiaomi Automobile.

On the other hand, the construction of Xiaomi Automobile Factory will be divided into two stages. The first stage will start in April 2022 and be completed in June 2023, covering an area of 720,000 square meters and consisting of four buildings and a modern test facility.

In fact, in August, the spy photos of Xiaomi Automobile’s road test in Xinjiang were exposed, and it was said that Xiaomi Automobile will be officially listed in the first half of 2024. Looking back at the previous spy photos, we can see that the whole new car adopts a slip-back design, and is equipped with a laser radar, a five-frame wheel rim and a multi-piston brake caliper, among which the wheel rim style and caliper are different from other spy photos previously exposed. As for the side and tail, the whole spy photos have not changed much from the previous exposure. Among them, the car will use the design of frameless doors and be equipped with a semi-circular taillight group, and it is expected to be equipped with a spoiler design.

In terms of intelligent configuration, it is reported that the new car will be equipped with Qualcomm Snapdragon 8295 chip, which is ahead of the current Snapdragon 8155 chip in performance. It is expected that all new energy brands will also load the 8295 chip one after another next year. At the same time, it will also be equipped with Xiao Ai classmate (intelligent voice), car machine to get through Mijia (smart home), support mobile phone non-inductive unlocking, magnetic charging gun and so on. In addition, the car will be equipped with three laser radars, four millimeter-wave radars, and a Xiaomi Pliot driver assistance system, as well as automatic parking in the support area.

According to the previous news, the length, width and height of the new car are 4860/1980/1666 mm respectively, and the body length and width are similar to those of Tucki P7, but the height of Xiaomi car is 20 cm higher than that of Tucki P7.

In terms of power, it is reported that its battery pack has a rated voltage of 726.7V, a rated capacity of 139Ah, a battery pack capacity of 101kWh and a weight of 642kg, which means that the new car will support 800V high-voltage fast charging with great probability. In addition, it was previously reported that Xiaomi Automobile will be equipped with 90kWh and 120kWh batteries, with a battery life of 766km and 1036km respectively. Then, combined with the latest exposure of 101kWh, it is expected that its battery life will be around 900km.

To put it further, Changchun FAW Fuwei Auto Parts Co., Ltd. previously said that the company was actively communicating with Xiaomi Automobile, and many molecular companies had entered the purchasing group of Xiaomi Automobile and completed the quotation of the first model of Xiaomi. At the same time, it is reported that Xiaomi Automobile has started to screen delivery centers. Xiaomi Automobile requires that the candidate venue "can provide at least 120 parking spaces" and the construction area "cannot be less than 3,000 square meters".

The editor said:Compared with the target of mass production in the first half of 2024, it seems that Xiaomi automobile has accelerated its pace from mass production, which is worthy of recognition for Xiaomi, who is "building a car behind closed doors". Of course, its product strength is also worthy of our expectation. What kind of competitiveness can it have in the face of many rival models in the current market, and will it appear in the automobile field as a "price butcher"? As far as the current progress is concerned, what kind of performance do you think Xiaomi Automobile can achieve?

I have confirmed my eyes and met the right car. BYD Qin has 54,200 cases nationwide.

The penetration rate of private cars in China has been very high. However, at this stage, most people still choose to spend more on cars than on tools. Under this trend, most people are getting more and more expensive to buy cars. The original budget was about 200,000, but in the end, they spent 400,000. But after using it for a period of time, I complained repeatedly and regretted my irrationality. What is the appropriate budget or price for buying a car? One algorithm is that the car price you can afford is about 1-2 times the annual household income balance. Of course, the market can’t be missed, and catching up with the larger preferential sales will definitely save a lot of money. Take BYD Qin Wei as an example today to see the national real transaction price, preferential discount, sales volume, value preservation rate and other information of new cars, so as to help you understand the market situation of a car more comprehensively.

The biggest discount of BYD Qin’s transaction price in the past month reached 8.35 fold, the cash of new cars dropped by 11,300 yuan, and the national sales of new cars started at 54,200 yuan. The point price is for reference only, and the actual transaction price is subject to the local dealer.

The figure below shows the sales data of BYD Qin. The national sales volume in the last month was 156 vehicles. I wonder if BYD is still satisfied with this result. Most people will follow the sales volume when buying a car, which is the main basis for most people to judge whether a car is good or not without in-depth understanding of a car. Although it is not accurate, it is not groundless, but if you have higher requirements for car selection, you need to make more efforts to fully understand it.

When we buy a car, we need to consider many factors, among which the preservation rate is also very important. The low preservation rate of the car indicates that the overall quality of the car is poor, while the high preservation rate indicates that the market is highly recognized. The chart below shows the value-preserving rate of BYD Qin. Is it within your acceptable range?

When we buy a car, we will pay attention to all aspects of this model in advance, especially the posts and word-of-mouth posted by car owners in major forums and vertical websites. Apart from the navy, there are still some car owners’ real car experience that is worth learning. Let’s take a look at BYD Qin’s word-of-mouth score. BYD Qin’s comprehensive score is 4.78, and the result is not bad, so BYD Qin can consider it.

If you have seen the above, you still have doubts about whether BYD Qin is worth buying, then you can also look at the performance of BYD Qin Jingpin. Among the following competing products, Jetta VA3 sold the most last month, with 5,358 cars. There is always one for you.

If the price of BYD Qin is suitable in the near future, then the friends will hurry! Linkage promotion in many places across the country, and there are even more discount models as low as 30%.