英语翻译
frequency shift system
拓展翻译
移频
frequency shift
移频按键
frequency-shift keying
移频传输
frequency shift transmission
移频传送
frequency-shift transmission
移频电报术
frequency shift elegraphy
移频发讯
frequency shift signalling
移频数据
frequency shift data
移频调制
frequency shift modulation
移频通信系统
frequency shift communication system
移频遥测计
frequency-shif telemeter
移频指示器
frequency-shift indicator
移频转换器
frequency-shift converter
演绛系统完备性
completeness of deduction system
演绎系统
deduction system; deductive system
验证系统
proving system
扬声器系统
speaker system
扬声系统
loudspeaker system
样机开发系统
prototype development system
样机研制系统
prototype development system
遥测命令系统
telemetry command system