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one of the lines of the Balmer series in the hydrogen spectrum
gen.
Hα 谱线
氢光谱中巴尔墨系谱线中的α谱线,波长为6562.99埃
;
Hβ 谱线
氢光谱中巴尔墨系谱线中的β谱线,波长为4861.52埃
;
Hγ 谱线
氢光谱中巴尔墨系谱线中的 Y 谱线,波长为 4340.67埃
;
Hδ 谱线
氢光谱中巴尔墨系谱线中的δ谱线,波长为 4109.94 埃
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