英语词汇“radial velocity”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	radial velocity
释义	radial velocity noun 1. : the component of velocity of a particle in the direction of its radius vector 2. or radial motion : the velocity of relative approach or recession of an observer and a celestial body or other sources of radiation in the line connecting the two : speed in the line of sight
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