And the time is the shortest for cycloidal path when the object moves along the different curve lines.

且得出不同曲线路径下摆线路径的运行时间最短。

youdao

And the time is the shortest for cycloidal path when the object moves along the different curve lines.

且得出不同曲线路径下摆线路径的运行时间最短。

youdao