Motion that is repeated in equal intervals of time.
在等时间间隔进行的重复运动。
2
By control the electric motor's torque and rotational speed, electric energy will be changed into mechanical energy, then mechanical rotary motion and repeated movement are realized.
控制电动机的转矩和转速，将电能转换成机械能，实现机械的旋转运动或反复运动。
3
A young man, with vigilant eye, watched every motion of the ship, and repeated each direction of the pilot.