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单词
reference acoustic pressure
释义
reference acoustic pressure
reference acoustic pressure
[
′ref·rəns ə′küs·tik ′presh·ər
]
(acoustics)
Magnitude of any complex sound that will produce a sound-level meter reading equal to that produced by a sound pressure of 20 micropascals at 1000 hertz. Also known as reference sound level.
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if i recall
if i recollect correctly
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i fire only blanks
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if (island)
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if it ain't broke
if it aint broke
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if it aint broke, dont fix it
if it ain't broke fix it til it is
if it ain't broke, fix it til it is
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更新时间:2025/3/29 7:33:21