frequency run频率特性试验
frequencyn.频繁;频率
frequency sampling频率抽样
frequency refining频率细化
frequency crossing频率交叉
frequency conveter变频器
Frequency actuated频率驱动
frequency variator调频器
frequency collapse频率崩溃
frequency tracking频率跟踪
Frequency Changing变频调速
frequency deviator频率偏移器