单词：forced frequency
forced frequency的用法和样例：
例句
- The FM system is used for changing the oscillating frequency of the magnetron.调频机构用来改变磁控管的振荡频率。
- Generator inertia has great influence on interarea oscillation frequency and damping.机组的惯量对区域振荡频率和阻尼有着较大的影响。
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