fine structure
柯林斯词典
1. N the splitting of a spectral line into two or more closely spaced components as a result of interaction between the spin and orbital angular momenta of the atomic electrons 微細結搆→comparehyperfine structure
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1. N the splitting of a spectral line into two or more closely spaced components as a result of interaction between the spin and orbital angular momenta of the atomic electrons 微細結搆→comparehyperfine structure