octaveband amplification倍頻: frequency doubling; frequenc ...程: rule; regulation放大: amplify; magnify; boost; enl ...倍頻程: actave; frequency octave; one-third octave band倍頻程；倍頻帶: octave band下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
