bn:03141885n
Noun Concept
Categories: Mechanics, Logarithmic scales of measurement, Units of measurement
EN
dBrn  dB  dBrn adjusted  decibels above reference noise
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The symbol dBrn or dB is an abbreviation for decibels above reference noise. Wikipedia
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EN
The symbol dBrn or dB is an abbreviation for decibels above reference noise. Wikipedia
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