audio-frequency push-pull ampli-fier
调频雷达
frequency modulation radar【雷达】;frequency-modulated radar【雷达】
暂无补充释义。
相关词条
relative frequency
３０赫－２０千赫\nacoustic frequency【声】;audible frequency【声】;audio frequency【声】
Arrhenius frequency factor
acoustical telegraphy【通信】;audio frequency telegraph【通信】;
vibrating-reed frequency sensor
frequency function
fundamental frequency