Auto Translation Case Study: 
 Dongfeng Automobile Company Dongfeng Peugeot Citroen Automobile Co., Ltd. Chery Automobile Co., Ltd. Dongfeng Motor Co., Ltd. car rental companies car rental company Beijing Chery Automobile Company, Shenzhen, Guangzhou General Motors Corp. General Motors Corp. 
 Automotive (Automobile; Car) which itself has power to drive, do not be set up by rail or electricity, to motor vehicle traffic. Broadly speaking, with a four-wheel vehicles, more commonly known as the car. Although the academic community for a long time: 'Who was the first inventor of a car', there are different views and discussed. However, the vast majority of scholars are the German engineer Karl ? Mercedes-Benz (Kral Benz) as the first inventor. 
 In accordance with the "Ci Hai" the authority of the statement: "The car is a driver on their own, mainly for transport of non-rail vehicles. Formerly known as the 'Motor', because many equipped with gasoline engines, it is referred to as the car." "Modern Chinese Dictionary" as "internal combustion engine-powered vehicle is mainly driven on the highway or road transport, usually have four or more of the rubber tires. For transporting people or goods." But such a car strict definition of any errors. 
 For transporting people or goods to the vehicle under the definition must take into account the following factors: first, the automobile production and development. Emergence and development of the car has gone through two hundred years of history, different periods have different structural features of cars, and cars are also changing the types and uses; second, a car based on the original intent. Car from the West, west of the text intended to be mainly based on combining the modern sense to be defined in a car. English in the "car" that is "Automobile 〃 by the" Auto (himself) "and" Mobif  will move the "composition, which is" Automobile  car, "the origin, which means that they will move, that is, automatic car ; third, compared to cars and other similar machinery is different. in the car definition, should not completely cover all the characteristics of similar machinery. 
 Optics after the concept car next to the mirror, the intersection of convex mirrors are used, can broaden our horizons. Car driving at night when the car is generally not turn on the lights, which prevents passengers in the car windshield in front of the driver image, interference to determine the correct driver. Automobile front windshield is usually not upright (except the car chassis tall), which is equivalent to a plane mirror inside the car because the windshield through which the image object easily in the driver in front of the driver's judgments. Automobile tail lamp: corner reflectors, the light can be launched to counter back, to ensure the safety of vehicles behind. Car headlights: concave mirror reflection principle, the focus of close-ray filament in the vicinity of the focus on long-distance optical filaments are incomplete in