英语词汇“henry-draper system”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	henry-draper system
释义	Henry-Draper system Henry-Draper system (H-D system) Another name for Harvard classification. See spectral types.
随便看	rmcri rmcrm rmcs rmcsd rm-csf rmcstep rmct rmcts rmcu rmcue rmcumc rmcvb rmcw rmcwmb rm&d rmd rmda rmdac rmdb rmdc rmdcc rmdcn rmdcra rmdd rmdg

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Henry-Draper system