Basic information such as the historical background and general development process of the Great Wall.

Background The Great Wall in northern China began in Qin, Zhao and Yan countries during the Warring States Period. During the Warring States period, the Huns became stronger and plundered the northern borders of Qin, Zhao and Yan. In order to prevent the Huns from plundering south, Zhao Haoqi ordered the Great Wall to be built on the border of Longxi, Beidi and northern Shang Jun, and sent troops to Meng Tian to build the Great Wall on a large scale in the Qin Dynasty. At the beginning of Han Dynasty, Xiongnu surpassed the Great Wall built by Qin and Meng Tian in the Central Plains War, and made the greatest contribution to the Ming Dynasty, which was bounded by Qin, Zhao and Yan during the Warring States Period. In the Ming Dynasty, in addition to the "outer" Great Wall, the "inner" Great Wall and the "inner three passes" Great Wall were also built. The "interior wall" starts from Pianguan at the junction of Inner Mongolia and Shanxi in the west, enters Hebei at Yanmenguan and Xing Ping in the east, then goes to the northeast, passes through Yuanyuan, Fangshan and Changping counties, reaches Juyongguan, and then reaches Huairou No.4 Pass from north to east, and is connected with the "Outer" Great Wall, with Zijingguan as the center, generally showing a north-south trend.

Edited in May 2020-65438+June.

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572020-06-05

The historical background and development process of the Great Wall should be within 100 words.

Background The Great Wall in northern China began in Qin, Zhao and Yan countries during the Warring States Period. During the Warring States period, the Huns became stronger and plundered the northern borders of Qin, Zhao and Yan. In order to prevent the Huns from plundering south, Zhao Haoqi ordered the Great Wall to be built on the border of Longxi, Beidi and northern Shang Jun, and sent troops to Meng Tian to build the Great Wall on a large scale in the Qin Dynasty. At the beginning of Han Dynasty, Xiongnu surpassed the Great Wall built by Qin and Meng Tian in the Central Plains War, and made the greatest contribution to the Ming Dynasty, which was bounded by Qin, Zhao and Yan during the Warring States Period. In the Ming Dynasty, in addition to the "outer" Great Wall, the "inner" Great Wall and the "inner three passes" Great Wall were also built. The "interior wall" starts from Pianguan at the junction of Inner Mongolia and Shanxi in the west, enters Hebei at Yanmenguan and Xing Ping in the east, then goes to the northeast, passes through Yuanyuan, Fangshan and Changping counties, reaches Juyongguan, and then reaches Huairou No.4 Pass from north to east, and is connected with the "Outer" Great Wall, with Zijingguan as the center, generally showing a north-south trend.

65 Browse10692016-04-01

Historical background and evolution of the Great Wall from ancient times to the present

Background The Great Wall in northern China began in Qin, Zhao and Yan countries during the Warring States Period. During the Warring States period, the Huns became stronger and plundered the northern borders of Qin, Zhao and Yan. In order to prevent the Huns from plundering south, Zhao Haoqi ordered the Great Wall to be built on the border of Longxi, Beidi and northern Shang Jun, and sent troops to Meng Tian to build the Great Wall on a large scale in the Qin Dynasty. At the beginning of Han Dynasty, Xiongnu surpassed the Great Wall built by Qin and Meng Tian in the Central Plains War, and made the greatest contribution to the Ming Dynasty, which was bounded by Qin, Zhao and Yan during the Warring States Period. In the Ming Dynasty, in addition to the "outer" Great Wall, the "inner" Great Wall and the "inner three passes" Great Wall were also built. The "interior wall" starts from Pianguan at the junction of Inner Mongolia and Shanxi in the west, enters Hebei at Yanmenguan and Xing Ping in the east, then goes to the northeast, passes through Yuanyuan, Fangshan and Changping counties, reaches Juyongguan, and then reaches Huairou No.4 Pass from north to east, and is connected with the "Outer" Great Wall, with Zijingguan as the center, generally showing a north-south trend.

Browse 39352020-05-23

Historical background, basic status quo, appearance, structure, historical changes and related stories of the Great Wall?

The historical background of the Great Wall is the basic status quo. Outsourcing means that they started to build the Great Wall blindly, and their goals and conditions are better in conflict with ours.

10Browsing 23 12020-05-3 1

How to write the investigation report of the Great Wall?

An investigation report generally consists of a title and a text. (1) title. There are two ways to write a title. One is the standard title format, that is, "post theme" plus "genre", and the basic formats are "investigation report on ××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××××× The other is freestyle title, which includes the combination of declarative sentences, interrogative sentences and positive and negative questions. (2) the text. The text is generally divided into three parts: preface, text and conclusion. 1. Introduction. There are several ways to write it: the first way is to state the reason or purpose, time and place, object or scope, process and method, and personnel composition of the investigation itself, and draw the central question or basic conclusion from it; The second is to state the historical background, development survey, actual situation, main achievements, outstanding problems and other basic situations of the respondents, and then put forward the central issues or main viewpoints; The third is to come straight to the point and directly summarize the survey results, such as affirming the practice, pointing out the problems, prompting the impact, and explaining the central content. The preface plays the role of making the finishing point, and it should be concise and to the point. 2. theme. This is the most important part of the investigation report, which introduces in detail the basic situation, practice and experience of the investigation and research, as well as various specific understandings, viewpoints and basic conclusions obtained from the analysis of the materials obtained from the investigation and research. 3. It's over. There are also many ways to write the ending, which can put forward methods and countermeasures to solve the problem or suggestions for improving the work in the next step; Or summarize the main points of the full text and further deepen the theme; Or ask questions to arouse people's further thinking; Or look to the future and send out encouragement and call.

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The Historical Background of Great Wall Motor

Great Wall Motor is a super-large state-owned joint-stock enterprise in Hebei Province. Great Wall Motor was founded in 1984, formerly known as Baoding Great Wall Industrial Company. 1May, 1996, produced pickup trucks and put them on the market, becoming a professional pickup truck manufacturer. 1Feb. 998, Baoding Great Wall Motor Co., Ltd. took the lead in passing the iso international quality certification and became the first domestic pickup truck and automobile industry in Hebei Province. From June 65438 to June 0998, the Great Wall pickup truck ranked first in the pickup truck market in China for the first time. On June 26th, it was restructured into Great Wall Motor Co., Ltd. From 65438 to 0999, Great Wall Motor ranked first in the domestic pickup truck market in terms of sales volume and output, and then the production and sales volume doubled year after year, setting an amazing growth rate: 10,000 pickup trucks rolled off the assembly line that year, pushing the sales volume of pickup trucks to a climax in China. At the end of the same year, it took the lead in launching four kinds of chassis and five kinds of pickup trucks with different specifications among domestic peers, becoming the professional pickup truck factory with the largest variety in China, which effectively promoted the development of the whole industry. Great Wall Internal Combustion Engine Manufacturing Co., Ltd. was established in 2000. Become the earliest enterprise with core strength among independent brands. 65438+1October 18 established Baoding Great Wall North China Automobile Co., Ltd.. 200 1 passed the 2000 iso certification. Great Wall Industrial Company spared no expense to build a modern engine production base with the largest scale and advanced equipment in the same industry in China from a high starting point. The intelligent multi-point injection engine was first introduced in China, and the strict national calibration test was completed, which not only realized the "integration of body and mind" and self-sufficiency, but also supported dozens of well-known domestic heavy automobile factories. The completion of the modern engine production base marks that Great Wall Motor has entered the track of rapid development. In 2003, it became the first private automobile enterprise in China to be listed on H shares. On June 28th, 2008, the lowest price of H shares of Great Wall Motor was HK$ 65,438+0.65,438+00 (the price before reinstatement). Two years later, the highest price was HK$ 29.40 on June 30, 1965, 438+06,5438, an increase of 25.73 times. On September 26th, 20 1 1 year, the lowest H shares of Great Wall Motor were HK$ 8, and the highest on February 28th, 201year was HK$ 32.55, up 3.07 times. 20 1 1 On September 28th, Great Wall Motor was listed on the A-share market. 20 13 the national development and reform commission announced the evaluation results and R&D expenses ranking of the national recognized enterprise technology centers in 20 13. Great Wall Motor Technology Center scored 92.6, and was rated as "excellent", ranking the top three among China automobile enterprises and the first among independent brands. R&D expenditure ranks sixth among China automobile enterprises and first among independent brands. In 20 17, the "First World Top Ten Transmission Selection Award" was announced, and the 7DCT wet transmission independently developed by Great Wall Motor won the honor of "World Top Ten Transmission". 19 In May, Great Wall Motor won the first place in "20 18 Brand Value List of Listed Companies in China". On May 29th, 20 18 World Intelligent Driving Challenge ended, and Harvard unmanned vehicles won many awards. On June 30th, 20 18, Wei Jianjun, Chairman of Great Wall Motor, was elected as "40 years of reform and opening up? Pay tribute to China automobile figures ". Extended data:

Great Wall Motor insists on "excessive investment" in technology research and development, pays attention to effective research and development, and pursues industry leadership, laying a solid foundation for continuous independent innovation. Great Wall Motor has world-class R&D equipment and systems, and has the ability to develop and design three series of SUVs, cars, pickups and powertrains. At the same time, build a global R&D layout with Baoding headquarters as the core, covering Europe, Asia, North America and so on. And research and development of new products, new energy and smart cars. In recent years, the technical strength of Great Wall Motor has been widely affirmed by the society, and it has been jointly recognized as "National Enterprise Technology Center", "Postdoctoral Research Center Setting Unit" and "National Innovative Enterprise" by the National Development and Reform Commission and the Ministry of Science and Technology. In terms of R&D facilities, Great Wall Motor has one of the most advanced comprehensive test sites in China, and Haval Technology Center, which has five functions of R&D, trial production, testing, modeling and data, has realized the R&D layout of vehicles and parts, and achieved a qualitative leap in R&D strength. At the same time, the company increased the construction of R&D facilities, and successively set up overseas R&D centers in Japan, the United States, Germany, India, Austria and South Korea to further improve the global R&D layout. Baidu Encyclopedia-Great Wall Motor Great Wall Motor official website-Development Course

Browse11377 2019-10-16.

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Enthusiastic netizens praise

Is this enough for about 400 words?

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Oh, oh, oh, oh, oh, oh, oh, oh, oh

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