audio-frequency push-pull ampli-fier
调频无线电测高计
frequency modulation radio altimeter
暂无补充释义。
frequency modulation radio altimeter
暂无补充释义。
audio-frequency push-pull ampli-fier
relative frequency
Debye frequency【物】
AF amplifier【电子】;audio amplifier【电子】;audio frequency amplifier【电子】
damped natural frequency【物】
３０赫－２０千赫\nacoustic frequency【声】;audible frequency【声】;audio frequency【声】
ac-ac frequency converter
nominal frequency【通信】