单词：forced vibration
forced vibration的用法和样例：
例句
- The former causes forced vibration at the circular frequency of the crank shaft and the latter causes transient vibration at the natural frequency of the press.惯性力激发的振动是以曲轴转速为频率的强迫振动，加工力激发的是以压机固有频率为频率的过渡振动。
- In the regenerative liquid propellant gun,the coupling oscillation of the fluid sys-tem in the reservoir including free vibration and forced vibration may be formed.在再生式液体发射药火炮中，贮液室流体系统可能发生由自激振动与强迫振动构成的耦合振荡，在喷射结束期很可能形成共振。
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