... Hydrogen spectral series 氢原子光谱 series of spectral line 光谱系 series of spectral lines 光谱线系 ; 谱线系 ...
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Line graph plays an important role in the study of spectral graph theory. By using the operator generalized line graphs on some integral graphs, a series of infinite integral graphs is constructed.
线图在图的谱理论研究中起着重要的作用。对一些整谱图，运用一种全新的广义线图算子方法，构造出了一系列无穷多个新的整谱图。
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