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词汇
half-value layer
释义
half-value layer
n.
(名词
noun
)
【俚】
半值属,半值厚度(为使原子辐射穿过吸收物质时之强度减少一半所需的该吸收物质的厚度)
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更新时间:2025/10/4 6:29:38