countermeasure trajectory

• 对抗弹道

countermeasure trajectory的用法和样例：

例句

1. From then on it must coast in a trajectory, or flight path, to its target.
   从那时起，它就得沿着弹道，即沿着飞行航线滑向其目标。
2. The trajectory of the shell is computed as it whirls through the air.
   空气中旋转的炮弹会进行弹道计算。