“optical transition”的概念、定义、翻译、参考文献-科学参考

单词	optical transition
释义	optical transition [`äp·tǝ·kǝl tran`zish·ǝn] ^PHYSICS A process in which an atom or molecule changes from one energy state to another and emits or absorbs electromagnetic radiation in the visible, infrared, or ultraviolet region.
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