oscillating vector

例句：

1. 1. The oscillating vector is used to measure the distance between two points on a graph.
   振荡向量用于测量图上两点之间的距离。
2. 2. The oscillating vector is a key component in the design of many mechanical systems.
   振荡向量是许多机械系统设计的关键组成部分。
3. 3. The oscillating vector can be used to calculate the velocity and acceleration of an object.
   振荡向量可以用来计算物体的速度和加速度。