dboctavedecibeloctave分贝: decibel倍频: frequency doubling; frequenc ...程: rule; regulation倍频程: actave; frequency octave; one-third octave band倍频程；倍频带: octave band下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:分贝倍频程，即可在微信中查询翻译
