非周期振动 aperiodicvibration ; aperiodic oscillation
长周期振动 [力] phugoid ; long period perturbations
短周期振动 short-period oscillation
类周期振动 QPO
无周期振动 aperiodic oscillation
模式周期振动 model period vibration
长周期振动曲线 phugoid curve
长周期振动阻尼 long-period oscillation damping
振动周期 [力] vibration period ; [力] period of vibration ; Absolute Clock Period Jitter
自由振动周期 free oscillating period ; free vibration period
结果表明，叠加周期振动可以抑制系统的混沌。
The results show that the chaos can be restrained by superposing a periodic vibration.
月平均海面以年周期振动为主，其次是半年周期。
The seasonal sea level change is of annual period and the second oscillation is of semi-annual period.
爆炸震源的地震纵波是脉冲性质的。周期振动是地震脉冲引起的次生振动。
A primary seismic wave from an explosive source is a pulse response, and its periodic vibration originates from seismic pulses.
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