英语词汇“sound-pressure level”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	sound-pressure level
释义	sound-pressure level sound-pressure level The level, 4 of sound pressure; equal to 10 times the logarithm of the sound pressure squared and averaged over a period of time, the reference pressure being 0.0002 dyne per sq cm (2 × 10^–5 newton per sq m); expressed in decibels (abbr. dB).
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