英语词汇“spectrum variable”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	spectrum variable
释义	spectrum variable spectrum variable [′spek·trəm ′ver·ē·ə·bəl] (astronomy) A main-sequence star of spectral class A whose spectrum displays anomalously strong lines of metals and rare earths whose intensity varies by about 0.1 magnitude over periods from 1 to 25 days.
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