frequency zone频率带
frequencyn.频繁;频率
frequency domain distortion频域失真
Frequency-scanned antenna频率扫描天线
Frequency Management Center频率管理中心
frequency-shift modulator移频调制器
frequency resolving-power频率分辨率
frequency spectrum analyser频谱分析器
frequency modulation signal调频信号
frequency-modulated sonar调频声纳
frequency modulation system调频制,调频系统
frequency-hopping signals跳频信号