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单词
air equivalent
释义
WordReference Random House Unabridged Dictionary of American English © 2024
air
′
equiv′alent,
[
Physics.
]
Physics
a measure of the effectiveness of a material in absorbing nuclear radiation, expressed as the thickness of an air layer (at 0° C and 1 atmosphere) causing the same absorption.
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quarterdeck
quarter dollar
quarter eagle
quartered
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quarter final
quarterfinal
quarterfinalist
quarter grain
quarter hollow
quarter-hoop
quarter horse
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quartering
quarterlife crisis
quarterlight
quarterly
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quartermaster general
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quartermasterlike
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quarter-miler
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更新时间:2025/7/31 9:17:41