frequencyn.频繁;频率
frequency regulation power plant调频电厂
frequency loop transfer function环路频率转移函数
frequency-doubling transponder[电] 倍频询答机
frequency conversion disturbance变频干扰
frequency-DC voltage converter频率-直流电压变换器
frequency-changing transponder变频转发器
frequency conversion measurement变频测量
Frequency-conversion technique变频技术
Frequency and Phase Shift Keying频移和相移键控
frequency multiplexing technique多频技术,多路技术