查询词典 threshold frequency

Pulse Width and Frequency Modulation：脉冲宽度频率调制

有线电视安全监控系统:Lockpin Frequency Modulation | 脉冲宽度频率调制:Pulse Width and Frequency Modulation | 脉冲频率调制:pulse frequency modulation (PFM) mode

frequency-modulated transmitter：调频发射机

frequency modulated receiver 调频接收机 | frequency modulated transmitter 调频发射机 | frequency modulation feedback 调频反馈

frequency-modulated transmitter：档发射机

frequency modulated radar 档雷达 | frequency modulated transmitter 档发射机 | frequency modulation 频率灯

frequency-modulated transmitter：频率调制发射机

frequency modulated system ==> 调频系统 | frequency modulated transmitter ==> 频率调制发射机 | frequency modulation ==> 周波数変調=>周波数変調

frequency-modulated transmitter：档发射机WwL中国学习动力网

frequency modulated radar 档雷达WwL中国学习动力网 | frequency modulated transmitter 档发射机WwL中国学习动力网 | frequency modulation 频率灯WwL中国学习动力网

frequency-modulated generator：调频发生器

frequency-modulated feedback demodulator 调频反馈解调器 | frequency-modulated generator 调频发生器 | frequency-modulated signal generator 调频信号发生器

frequency-modulated generator：调频振荡器

frequency-modulated fuze 调频引信 | frequency-modulated generator 调频振荡器 | frequency-modulated oscillator 调频振荡器

frequency-modulated carrier：调频载波

frequency meter 频率计 | frequency modulated carrier 调频载波 | frequency modulated cyclotron 调频回旋加速器

frequency-modulated signal：调频信号

622 调频雷达接收机 Frequency-modulated radar receiver | 623 调频信号 Frequency-modulated signal | 624 频率扫描天线 Frequency-scanned antenna

frequency-modulated pumping：频调抽运

frequency-modulated oscillator 调频振荡器 | frequency-modulated pumping 频调抽运 | frequency-modulated signal 调频信号

chenevixite：砷铁铜石

化学合成作用,化能合成 chemosynthesis | 砷铁铜石 chenevixite | 海沼沙脊 chenier

brown belt：棕色腰带

8.棕色腰带:brown belt | 9.黑色腰带:black belt | 10.红白色腰带:red-white belt