decibels above reference noise超过: exceed; outnumber; outstrip ...基准: datum standard; criterion; r ...噪声: noise; stew; swishing; yawp; ...的: 4次方是 The fourth power of 2 i ...分贝: decibel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:超过基准噪声的分贝数，即可在微信中查询翻译
