频率表频率计    frequency meter

电力网频率计    frequency meter of network

双标度频率计    frequency meter with double scale

调频载波    frequency modulated carrier

调频回旋加速器    frequency modulated cyclotron

调频振荡器    frequency modulated oscillator

调频接收机    frequency modulated receiver

调频发射机    frequency modulated transmitter

调频    frequency modulation

频率调制    frequency modulation

调频频率调制    frequency modulation

调频反馈    frequency modulation feedback

调频发生器    frequency modulation generator

调频振荡器    frequency modulation oscillator

调频制    frequency modulation system

反馈调频    frequency modulation with feedback

调频—调相    frequency modulation-phase modulation

调频器    frequency modulator

频率监听和干扰控制    frequency monitoring and interference control

频率多路复用    frequency multiplex

多频多路技术    frequency multiplexing technique

倍频    frequency multiplication

频率倍增    frequency multiplication

倍频器    frequency multiplier

倍频链    frequency multiplier chain

频率数    frequency number

修正频率    frequency of amendment

自由振荡频率    frequency of free oscillations

维修次数    frequency of maintenance

工作频率    frequency of operation

最佳使用频率最佳通信频率最佳传输频率    frequency of optimum traffic

最佳通信频率最佳传输频率    frequency of optimum traffic

最佳使用频率    frequency of optimum traffic

无线电频率    frequency of radio

船舶运动频率    frequency of ship motion

信号频率    frequency of signal

频率信号发生器    frequency of signal generator

频率补偿发生器    frequency offset generator

频率原点    frequency origin

频率故障报告    frequency outage report

频率脉冲    frequency pulse

频率推移    frequency pushing