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1. phenomenal analysis of fine structure constant
   發(fā)生改變的唯象分析
2. these energy levels are determined by how tightly the atomic nucleus holds the electrons, which depends on the strength of the electromagnetic force between them ? and therefore on the fine-structure constant
   能階是由原子核拉住電子的松緊程度所決定，而這又取決于能階之間的電磁力強(qiáng)度，因此便和精細(xì)結(jié)構(gòu)常數(shù)關(guān)系密切。
3. these findings complement recent contentious observations that the fine-structure constant, which describes the overall strength of the electromagnetic force, has increased slightly
   這項(xiàng)發(fā)現(xiàn)為近來(lái)一項(xiàng)引人爭(zhēng)議的觀察做了補(bǔ)充：用來(lái)描述電磁力總體強(qiáng)度的精細(xì)結(jié)構(gòu)常數(shù)，已經(jīng)些微增加了。詳情請(qǐng)見(jiàn)4月21日的《物理評(píng)論通訊》。
4. the fine-structure constant is an important zero dimension constant in the atomic physics . this article introduces the origin of fine-structure constant, and discusses its physical significance, and theoretical calculation
   摘要本文介紹原子物理學(xué)中重要的無(wú)量綱常數(shù)之一的精細(xì)結(jié)構(gòu)常數(shù)的由來(lái)，討論它的物理意義和理論計(jì)算。
5. the fine-structure constant is an important zero dimension constant in the atomic physics . this article introduces the origin of fine-structure constant, and discusses its physical significance, and theoretical calculation
   摘要本文介紹原子物理學(xué)中重要的無(wú)量綱常數(shù)之一的精細(xì)結(jié)構(gòu)常數(shù)的由來(lái)，討論它的物理意義和理論計(jì)算。