双语例句原声例句
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The study of atomic inner-shell ionization cross-sections by low-energy electron impact is significant in both theoretical researches and practical applications.
低能电子碰撞原子内壳层电离截面测量的研究在理论和实际应用方面都具有重要意义。
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If you look at oxygen, oxygen is 1s2, which is an inner shell electron.
你看，氧是1s2原子，1s轨道上是内层电子。
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