contrast pole是什么意思

用法例句

In view of the fact that the crank and rocker mechanism needs to be designed by change coefficient of stroke speed and it also needs the transmission angle of extreme position,the paper advances some ways of design with relative extremes.

针对曲柄摇杆机构中按行程速度变化系数设计 ,又有极限位置传动角要求的问题 ,提出了用相对极点法来设计的方法 。