| 单词 | hyperfine structure | 
| 释义 | Word Frequency hyperfine structure splitting of a spectral line of an atom or molecule into two or more closely spaced components as a result of interaction of the electrons with the magnetic moments of the nuclei  Word Frequency hyperfine structure(ˈhaɪpəˌfaɪn) noun the splitting of a spectral line of an atom or molecule into two or more closely spacedcomponents as a result of interaction of the electrons with the magnetic moments ofthe nucleiCompare fine structure ,   See also Zeeman effect | 
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