velocity change

• 速度变化

velocity change的用法和样例：

例句

1. She said that our energies and rates of vibratory change are so rapid now that we see a series of rapid actions quickly.
   她说我们的能量和振动的速度变化如此之快以致我们现在看到了一系列敏捷迅速的行动。
2. By comparing two successive displacements of the ball, we can find the change in velocity in the corresponding time interval.
   比较球的先后相继的两个位移，就可求出对应于这段时间内的速度变化。