其他结构特性（如，侧体强度，由整车重量计算得到的车顶强度）

Other structural characteristics (e.g., side strength, roof strength as a function of vehicle weight).

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车身重量约占整车重量的40%左右，因此车身轻量化对于整车的轻量化起着举足轻重的作用。

Weight reduction of body structure plays a rather important role in lightweight of full vehicle, for body structure weights about 40 percent of full vehicle.

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这意味着沃尔沃混合动力电池的身材将会边小，整车的重量会减轻，车的性能也会提高。

This would mean Volvo could shrink the size of its hybrid battery - and cut down the weight of the car, making it more efficient.

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