velocity variation

• 变速

velocity variation的用法和样例：

例句

1. The rotating beam with a varying angular velocity undergoes a vertical base excitation and a horizontal base excitation.
   利用哈密顿原理建立了支承运动情况下变速旋转梁的弹性振动方程及边界条件。
2. As long as the truck is moving in a straight line, the ring gear, differential gears, and drive axles turn together without variation of speed.
   当卡车直线行驶的时候，环形齿轮，差速器齿轮和驱动轴便会无变速的一起转动。