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单词 θ76799
释义
the world > matter > physics > science of sound > [noun] > instrument for measuring volume (4)
volume indicator1923

a device for measuring the power of a complex electrical signal corresponding to a sound pattern, so as to indicate the volume of the sound that is…

VU meter1940

a unit in which some types of volume indicator are calibrated, a sine wave with a power of 1 mW being assigned the reference value of 0 VU (see…

Subcategories:

— unit of calibration (2)
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更新时间:2025/3/22 1:27:12