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单词
calcium reversal lines
释义
calcium reversal lines
calcium reversal lines
[
′kal·se·əm ri′vər·səl ‚līnz
]
(spectroscopy)
Narrow calcium emission lines that appear as bright lines in the center of broad calcium absorption bands in the spectra of certain stars.
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更新时间:2024/12/23 19:06:19