frequencyn.频繁；频率Frequency warp频率卷绕frequency step频率阶跃frequency drop[计] 频率下降frequency graph频率图frequency adder频率加法器frequency count频率统计frequency scope频谱幅值frequency swing频率来回变动,调频振荡器的最大频率偏移frequency model频率模型frequency decay频率衰减特性