英语词汇“radius vector”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	radius vector
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ra′dius vec′tor, pl. radii vec•to•res (vek tôr′ēz, -tōr′-),USA pronunciation radius vectors. Mathematicsthe length of the line segment joining a fixed point or origin to a given point. Astronomy the straight line joining two bodies in relative orbital motion, as the line from the sun to a planet at any point in its orbit. the distance between two such bodies at any point in the orbit. 1745–55
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