八倍: octuple; eightfold; eight ti ...频: frequent放大器: amplifier; pantograph; lawnm ...边频放大器: marginal amplifier导频放大器: pilot amplifier; pilotamplifier低频放大器: amplifier, low-frequency; lfa; lf amplifier; low frequencey amplifier; low frequency (lf); low frequency amplifier; low-frequency amplifier分频放大器: dividing amplifier高频放大器: amplifier, high-frequency; h.f.amp; hf amplifier; hfa high frequency amplifier; high frequency amplifier (hfa); high-frequency amplifier; radio amplifier; radiofrequency amplifier; radioamplifier光频放大器: optical frequency amplifier; optical frequnency amplifier混频放大器: mixer amplifier; mixing amplifier宽频放大器: broadband amplifiers拍频放大器: bea frequency amplifier; beat frequency amplifier频放大器: audio amplifier扫频放大器: panoramic amplifier射频放大器: amplifier, radio frequency; radio frequency gap; rfa radio frequency amplifier声频放大器: af amplifier; amplifier, audio-frequency; audifier; audio amplifier; audio amplitier; audio frequency amplifier; audio-frequency ampliator; audioamplifier; sonic frequency amplifier; sound amplifier; speech amplifier; voice amplifier视频放大器: amplifier, video; va video amplifier; vfa video frequency amplifier; video correlator; video frequency amplifier行频放大器: horizontal-frequency amplifier选频放大器: accentuator; frequency selected amplifier; frequency selecting amplifier; frequency selection amplifier; frequency selective amplifier; frequency-selecting amplifier; selective amplifier音频放大器: afa audio frequency amplifier; audio amplification; audio amplifier vfa; audio frequency amplifier vfa; note amplifier; note magnifier; phono amplifier; sound amplifier; speech amplifier; tone amplifier; vfa voice frequency amplifier; voice amplifier; voice-frequency amplifier语频放大器: speech frequency amplifier载频放大器: carrier amplifier; carrier frequency amplifier; carrier-amplifier窄频放大器: narrow-band amplifier中频放大器: if amplifier; intermediate amplifier; intermediate frequency amplifier; intermediate-frequency amplifier声频放大器,音频放大器: audio-amplifier