单词 | harvard classification |
释义 | Harvard classification/ (ˈhɑːvəd) / nouna classification of stars based on the characteristic spectral absorption lines and bands of the chemical elements presentSee spectral type Word Origin for Harvard classificationC20: named after the observatory at Harvard, Massachusetts, where it was prepared and published as part of The Henry Draper Catalogue (1924) Words nearby Harvard classificationharuspex, haruspicy, Harvard, Harvard beets, Harvard chair, Harvard classification, Harvard frame, Harve, harvest, harvest bug, harvester Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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英语词典包含192737条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。