relative speed造句

1、The relative speed between driving wheel and pin rail varies with sinusoidal function.
驱动轮和销轨的相对速度按正弦函数变化。

2、Our special speedometer shows that the relative speed between the two trains is 20 MPH.
我们特制的测速仪表现这两列火车的相对速率是每小时20英里。

3、But, if you run the motor power at around 60 you will get a relative speed of 6-10 feet per minute.
但是，如果您运行的电机功率约为60你会得到一个相对速度为每分钟6 - 10米。