单词：vibration period
vibration period的用法和样例：
例句
- A vibration period tends to decrease or remain constant as energy is lost, as is the case for a pendulum.在损失能量时，振动周期倾向于减小或保持不变，如同单摆那样。
- The vibration states with different thermoelastic coefficients are compared and the effect of thermoelastic coupling on the amplitude and frequency is presented.比较了不同热弹耦合参数对应的振动情况，得出了热弹耦合效应对振动周期和频率的影响。
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