“摆线”造句

他研究了摆线 、 圆外旋轮线和四点圆的旋轮线的几何性质.
He investigates geometrical properties of cycloids , epicycloids, and hypocycloids.

由于这个缘故,摆线又叫做等时曲线.
For this reason the cycloid is called the tautochrone.

分析摆线钢球行星传动减速器的振动特性.
The vibration performance of cycloid ball planetary reducer was analyzed.

• #摆线