cycloid造句
        Double crank four ring - plate type 
cycloid drive is a new type drive.
双曲柄四环板式针摆行星传动是一种新型传动.
The vibration performance of 
cycloid ball planetary reducer was analyzed.
分析摆线钢球行星传动减速器的振动特性.
For this reason the 
cycloid is called the tautochrone.
由于这个缘故,摆线又叫做等时曲线.
The 
cycloid has an isochronal pendulum.
摆线具有严格的等时摆.