英语词汇“wolf number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	wolf number
释义	WordReference Random House Unabridged Dictionary of American English © 2024 Wolf′ num′ber (wŏŏlf; Fr.* vôlf ),USA pronunciation* [Astron.] Astronomya number indicating the degree of sunspot activity on the sun as a factor of observer idiosyncrasies, the number of sunspot groups, and the number of individual sunspots. Also called relative sunspot number, sunspot number. after Rudolf Wolf (1816–93), Swiss astronomer 1975–80
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