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单词
radioactive emanation
释义
radioactive emanation
radioactive emanation
[
¦rād·ē·ō′ak·tiv ‚em·ə′nā·shən
]
(nuclear physics)
A radioactive gas given off by certain radioactive elements; all of these gases are isotopes of the element radon. Also known as emanation.
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更新时间:2026/2/28 17:36:27