“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	Isometopidae isometric isometric contraction isometric drawing isometric forms isometric particle isometric process isometric projection isometric spaces isometric system isometric work isometry isometry class isomolecule isomorph isomorphic mineral isomorphic systems isomorphism isoneph isoniazid isonicotinic acid isonicotinic acid hydrazide isonitrosoacetophenone isonymous substitution isooctane

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