car impact

• 汽车碰撞

car impact的用法和样例：

例句

1. Air bags are designed to soften the impact of a car crash.
   气囊用来减轻汽车碰撞的冲击力。
2. Joint failure modeling in car crashsimulation is described in this paper.Diffe rent constrains and failure criteria of different joint models are discussed.
   描述了汽车碰撞仿真研究中连接方式的模拟方法，讨论了各种连接方式的不同约束条件和失效准则。