短語詞組短語Audio Carrier Frequency 音頻載波頻率audio caccess frequency 伴音中央頻率audio -frequency generator 音頻發(fā)電機audio o frequency generator 音頻振蕩器;音頻發(fā)生器audio o frequency oscillator 音頻振蕩器Audio subcarrier frequency 副載波 返回 audio frequency