Web在中文里面，我们如何解释population inversion这个英文词呢？ population inversion这个英文词，中文意思如下：粒子数反转 居量反轉 居量反轉（英语：Population inversion）， … WebPopulation inversion is a state of a system, for example a laser gain medium, where a higher-lying energy level is more strongly populated than a lower-lying level. This cannot occur under conditions of thermal equilibrium, where the level populations are described by a Boltzmann distribution. However, a population inversion is often easily ...

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WebLasers - Population Inversion. Under normal circumstances, the higher an energy level is, the less it is populated by thermal energy. Under some circumstances (for example, the presence of an upper energy level that has a relatively long lifetime), a system can be constructed so that there are more atoms/molecules in an upper energy level than ... sansa clip 4gb software download

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WebInversion - 當代英語文法 - 書面和口頭英語文法和用法的參考資料 - 劍橋線上詞典. Above or over? Across, over or through? Advice or advise ... Webinversion, population中文意思:粒子分布倒置…,點擊查查權威綫上辭典詳細解釋inversion, population的中文翻譯,inversion, population的發音,三態,音標,用法和造句等。 Webinversion翻译：相反；倒置；顛倒, （器官或器官的一部分）內翻。了解更多。 short lost