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-新都网

单词	radial velocity
释义	radial velocity n. The velocity, or a component of the velocity, of an object as it moves toward or away from an observer, as a star or galaxy observed from Earth. Periodic changes in the radial velocities of stars may indicate the presence of orbiting planets even if the planets themselves are not directly observable.
随便看	oration orator Oratorian oratorical oratorically oratorio oratorship oratory oratory orb orbicular orbicularity orbicularly orbiculate Orbison orbit orbital orbital velocity orbiter orca Orcadian orch. orchard orchard grass orchardist

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