“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	hypotension hypotenuse hypo test hypothalamic center hypothalamic releasing factor hypothalamoneurohypophyseal system hypothalamoneurohypophyseal tract hypothalamus hypotheca hypothenar hypothermal hypothermal deposit hypothermia hypothesis hypothesis testing hypothetical parallax hypothyroidism hypotonia hypotonic Hypotrichida hypotrochoid hypotype hypovitaminosis hypovolemia hypovolemic shock

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