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单词
semiforbidden transition
释义
semiforbidden transition
semiforbidden transition
[
¦sem·i·fər′bid·ən tran′zish·ən
]
(atomic physics)
An atomic transition whose probability is reduced by selection rules by a factor roughly of the order of 10
6
, as compared with 10
9
for a forbidden transition.
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by a mile
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by-and-by
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by any chance
by any manner of means
by any means
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更新时间:2026/3/3 1:20:29