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db

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语音拼写db
db
含义为 db
A Railway company that is located in Germany and was established in the year 1994.
Wiki内容为 db
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Nebraska DB LeRoy Alexander suspended for season
Nebraska DB LeRoy Alexander suspended for 2014 season
The decibel (dB), named for Alexander Graham Bell, spent much of its life as a ratio of two signal powers for describing audio and RF levels

DB grad celebrates new lease on life in Transplant Games
Nor diminishes the If we define as the dispersion in a particular part of the spectrum the ratio of the angular interval dB to the corresponding increment of wave-length dX, we may express it by a very simple formula.
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