The goal is to reduce the impact a crash would have on the front car and prevent cars from jackknifing .

减轻前面车厢受到的撞击冲力从而使机车免于折裂。

Hence the risk of operation accidents of articulated vehicles such as rolling-over and jackknifing can be reduced.

采用该系统还可以减少铰接车辆行驶中某些事故的发生。

The goal is to reduce the impact a crash would have on the (foot)front car and prevent cars from (jack nothing) jackknifing .

目的是减少碰撞对火车前车厢的影响并避免车厢折裂。