本文比较系统地提出了一种改善汽车正面碰撞安全性的设计思路和方法。
The design idea and method for improving vehicle front impact safety are offered assembly and roundly.
因此，前纵梁的结构耐撞性设计在汽车正面碰撞中具有十分重要的工程意义。
Therefore, the structural design of vehicle front rail crashworthiness in the frontal crash has a great engineering significance.
根据动量守恒定律，建立了摩托车与汽车正面碰撞及直角侧面碰撞的数学模型。
Based on the law of momentum conservation, the mathematics patterns of front collision and vertical side collision of motorcycles and motor vehicles are developed.
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