英语词汇“perceived noise decibel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	perceived noise decibel
释义	perceived noise decibel noun a unit for measuring perceived levels of noise by comparison with the sound pressure level of a reference sound judged equally noisy by a normal listener Abbreviation: PNdB
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英语词典包含233703条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。