“radial velocity”的概念、定义、翻译、参考文献-科学参考

单词	radial velocity
释义	radial velocity [`rād·ē·ǝl vǝ`läs·ǝd·ē] ^MECHANICS The component of the velocity of a body that is parallel to a line from an observer or reference point to the body; the radial velocities of stars are valuable in determining the structure and dynamics of the Galaxy. Also known as line-of-sight velocity.
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