英语词汇“harvard-draper sequence”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	harvard-draper sequence
释义	Harvard-Draper sequence Harvard-Draper sequence [¦här·vərd ′drā·pər ‚sē·kwəns] (astronomy) A system of classification of stellar spectra based on features that are found to vary in a smooth way from one star to another, and on the star's color. Also known as Harvard sequence
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Harvard-Draper sequence