运动周期 cycle of motion ; period of motion ; Motion period

拱线运动周期 apsidal period

圆周运动 [物] circular motion ; circular movement ; circumferential movement

周日运动 [天] diurnal motion ; [天] daily motion ; diurnal rotation

简谐运动周期 period of simple harmonic motion

周期运动 periodic movement ; cyclic motion

均速圆周运动 uniform circular motion

非周期运动 [物] aperiodic motion ; aperiodic mode of motion

消化间期运动周期 IDMC