英语词汇“principal series”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	principal series
释义	principal series principal series [′prin·sə·pəl ′sir·ēz] (spectroscopy) A series occurring in the line spectra of many atoms and ions with one, two, or three electrons in the outer shell, in which the total orbital angular momentum quantum number changes from 1 to 0.
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