英语词汇“wilson-bappu effect”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	wilson-bappu effect
释义	Wilson-Bappu effect Wilson-Bappu effect [′wil·sən ′bä·pü i‚fekt] (astronomy) A linear relation between the absolute magnitudes of late-type stars and the width of the K₂ emission core in the resonance line of ionized calcium (CaII) at a wavelength of 3933 nanometers.
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Wilson-Bappu effect