frequency run频率特性试验
frequencyn.频繁;频率
frequency-sweep扫频; 频率扫描
frequency of fire火灾次数
frequency of tone音频
frequency-field频域
frequency veering频率转向
frequency adaptor拾频器
frequency locking锁频
frequency jumping频率跃变
frequency diagram响应频率图
frequency surface频率面