英语词汇“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	decibel
释义	Word Frequency decibel (ˈdɛsɪˌbɛl) noun 1. a unit for comparing two currents, voltages, or power levels, equal to one tenth of a bel 2. a similar unit for measuring the intensity of a sound. It is equal to ten times the logarithm to the base ten of the ratio of the intensity of the sound to be measured to the intensity of some reference sound, usually the lowest audible note of the same frequency Abbreviation: dB. See also perceived noise decibel
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