声频: audio frequency; sonic frequ ...频谱仪: frequency spectrograph声频频谱: af spectrum; audio frequency spectrum; audion spectrum音频频谱仪: sound spectrograph超声频谱仪: ultraschallspektrometer声频谱仪: acoustic spectrometer声频频谱计,音频频谱计: audio-frequency spectrometer声频频谱记录仪: sonic frequency ectrum recording meter; sonic frequency spectrum recording meter高频频谱计,声谱计,声谱仪: audio frequency pectrometer声频谱: audio frequency spectrum; audio spectrum频谱射频频谱: spectrum声频频带: audio band; audio frequency band; audio frequency waveband声频频段: audible region; audio range; audiofrequency band声频频率计: audio frequency meter; sonic frequency cymometer高频频谱: high frequency spectrum高频频谱计: audio frequency pectrometer射频频谱: radio frequency spectrum; radio spectrum; radio-spectrum; radiofrequency spectrum射频频谱学: radio-frequency spectroscopy; radio-spectroscopy音频频谱: audible spectrum; audio spectrum; sound frequency spectrum音频频谱计: audiofrequency spectrometer频谱仪: audiofrequency ectrometer; audiofrequency spectrometer; frequency ectrograph; frequency spectrograph; spectrometer声频频移键控: afsk audio frequency shift keying【无线电】射频频谱。: radio spectrum遥测视频频谱: tvs telemetry video spectrum白噪声频谱: white noise spectrum
