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单词
velocity level
释义
velocity level
velocity level
[
və′läs·əd·ē ‚lev·əl
]
(acoustics)
A sound rating in decibels, equal to 20 times the logarithm to the base 10 of the ratio of the particle velocity of the sound to a specified reference particle velocity.
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keep (a) count (of someone or something)
keep act up
keep a dog and bark
keep a dog and bark herself
keep a dog and bark himself
keep a dog and bark myself
keep a dog and bark (oneself)
keep a dog and bark oneself
keep a dog and bark ourselves
keep a dog and bark themselves
keep a dog and bark yourself
keep a firm grip on
keep a foot in both camps
keep after
keep after her
keep after him
keep after me
keep after one
keep after someone
keep after (someone or something)
keep after something
keep after them
keep after us
keep after you
keepage
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更新时间:2026/4/15 12:16:15