“sound pressure level”的概念、定义、翻译、参考文献-科学参考

单词	sound pressure level
释义	sound pressure level [`sau̇nd ¦presh·ǝr ´lev·ǝl] ^ACOUSTICS A value in decibels equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound under consideration to a reference pressure; reference pressures in common use are 0.0002 microbar and 1 microbar. Abbreviated SPL.
随便看	osteomyelitis osteon osteonephropathy osteopath osteopathy osteopetrosis osteophony osteoplasty osteopoikilosis osteoporosis osteosarcoma osteosclerotic anemia Osteostraci osteotomy ostiole ostium Ostomidae ost-, oste-, osteo- Ostracoda ostracoderm Ostreidae ostria ostrich Ostriker-Peebles halo Ostwald dilution law

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