Because of its simple structure, good braking performance and good serviceability, duo-servo drum brakes are widely used as light vehicle central parking brake systems.

自动增力鼓式制动器因其结构简单、制动性能优良、维修方便，被广泛应用于轻型汽车的中央驻车制动系统。

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A satisfactory recognition rate can not be obtained sometimes because of some factors affected by light conditions and plate's cleanness in vehicle recognition systems.

由于受光照条件、牌照自身清洁程度等因素影响，车牌识别系统往往达不到满意的字符识别率。

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The vehicle systems are capable of tasks such as scanning movement of objects around it, identifying a green light from a red light and measuring the trajectory of the vehicle on the road.

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