reference sound pressureの例文

例文

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1. Commonly used reference sound pressures, defined in the standard 礟a in water.
2. Without a specified reference sound pressure, a value expressed in decibels cannot represent a sound pressure level.
3. With any specified reference sound pressure, a sound pressure that is equal to the reference has zero decibels relation to it.
4. The commonly used " zero " reference sound pressure in air is 20 talk ) 13 : 59, 19 July 2010 ( UTC)
5. This is 20 times the base 10 logarithm of the ratio of a given root-mean-square sound pressure to the reference sound pressure.