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单词 harvard classification
释义

Harvard classification


Harvard classification

(ˈhɑːvəd) n (Astronomy) a classification of stars based on the characteristic spectral absorption lines and bands of the chemical elements present. See spectral type[C20: named after the observatory at Harvard, Massachusetts, where it was prepared and published as part of The Henry Draper Catalogue (1924)]
Translations
classificazione di Harvard

Harvard classification


Harvard classification

(Henry-Draper system) See spectral types.
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更新时间:2024/12/23 1:43:00