英语词汇“astrometric binary”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	astrometric binary
释义	astrometric binary n. A binary star system in which the primary, or brightest, star is directly observable and has periodic changes in its position indicating the gravitational influence of an orbiting secondary star that is not directly observable.
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