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单词 reverberation time
释义

WordReference Random House Unabridged Dictionary of American English © 2024
reverberation time′, 
  1. Physicsthe time it takes for a sound made in a room to diminish by 60 decibels.
  • 1925–30

Collins Concise English Dictionary © HarperCollins Publishers::
reverberation time n
  1. a measure of the acoustic properties of a room, equal to the time taken for a sound to fall in intensity by 60 decibels. It is usually measured in seconds
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