At first the mechanism of bump at the bridge ends was analyzed, and the paper find main factor to cause bridge jump, and provide a method to cure bridge jump.
首先从理论上定性分析桥头跳车的作用机理及演变过程，从而找到导致桥头跳车的主要因素，最后结合实践提出了根治桥头跳车的方法。
It can not jump up sufficiently if you wait for the ball to bump on the racket.
等球来撞击球拍不能产生足够的弹性。
Abstract: : Bump the road at the abutment backfill settlement or fracture, the vehicle through the vehicle jump thrashing.
摘要：桥头跳车是指路面在台背回填处沉陷或断裂，车辆在通过时产生的车辆跳起、颠簸现象。
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