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n. 分贝decibel的简写

分贝decibel的简写

Taiwan MOE computer dictionary (moecomp)

dB
分贝

WordNet (r) 3.0 (2006) (WordNet)

Db
n 1: a transuranic element [synonym: {dubnium}, {Db}, {hahnium},
{element 105}, {atomic number 105}]
2: a logarithmic unit of sound intensity; 10 times the logarithm
of the ratio of the sound intensity to some reference
intensity [synonym: {decibel}, {dB}]

The Free On-line Dictionary of Computing (foldoc)

{database}

V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006) (vera)

DataBase

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Cheap Train Tickets | Timetables for Germany Europe - Deutsche Bahn
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Decibel - Wikipedia
The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B) It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale Two signals whose levels differ by one decibel have a power ratio of 10 1 10 (approximately 1 26) or root-power ratio of 10 1 20 (approximately 1 12) [1][2]
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