查询词典 frequency modulation

ultrahigh frequency translator：特高频差转机

ultrahigh frequency tetrode 超高频四极管 | ultrahigh frequency translator 特高频差转机 | ultrahigh frequency transmitter 特高频发射机

frequency maximum utilizable：最高可用频率

frequency mark 频率标志 | frequency maximum utilizable 最高可用频率 | frequency measurement 频率测量

frequency variation method：变频法

frequency tripler 三倍频器 | frequency variation method 变频法 | frequency window function 频率窗函数

very high frequency direction-finding：甚高频测向

very high frequency direction finder 甚高频测向仪 | very high frequency direction finding 甚高频测向 | very high frequency direction-finding 甚高频测向

Very High Frequency Communication：甚高频通信

very high frequency aural omnirange 甚高频可听式全方位无线电信标 | Very High Frequency Communication 甚高频通信 | very high frequency direction finder 甚高频测向仪

very high frequency transmitter：甚高频发射机

very high frequency signal generator 甚高频信号发生器 | very high frequency transmitter 甚高频发射机 | very high frequency vacuum tube voltmeter 甚高频电子管伏特表

very high frequency jammer：甚高频人为干扰发射机

very high frequency circuit 甚高频电路 | very high frequency jammer 甚高频人为干扰发射机 | very high frequency omnidirectional range 甚高频全向无线电指向标

high frequency bombarder：高频轰击器

高频放大器 high frequency amplifier | 高频轰击器 high frequency bombarder | 高频电容 high frequency capacitance

high frequency impedance cardiographic examination：心脏高频阻抗图检查

high frequency heating 高频加热 | high frequency impedance cardiographic examination 心脏高频阻抗图检查 | high frequency impulse electro-erosion machine 高频脉冲电蚀机床

FH frequency hopped：跳频

FH-SS frequency hopped spread spectrum 跳频扩频 | FH frequency hopped 跳频 | FSK frequency shift keying 移频键控

sepoy：西帕依

Seneviratna,H.A. 赛奈维拉特纳,H.A.349 | Sepoy 西帕依426 | Seringapatam, Treaty of 塞林伽巴丹条约 348

in range with：并列

in quire 未装订 | in range with 并列 | in range 在射程内