“inversion ratio”的概念、定义、翻译、参考文献-科学参考

单词	inversion ratio
释义	inversion ratio [in`vǝr·zhǝn ´rā·shō] ^PHYSICS The negative of the ratio in a maser medium of the difference in populations between two nondegenerate energy states under a condition of population inversion, to the population difference at equilibrium.
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