“mean motion”的概念、定义、翻译、参考文献-科学参考

单词	mean motion
释义	mean motion [`mēn `mō·shǝn] ^ASTRONOMY The speed which a planet or its satellite would have if it were moving in a circular orbit with radius equal to its distance from the sun or a central planet with a period equal to its actual period.
随便看	jackstay jack timber jack truss Jacobian Jacobian determinant Jacobian elliptic function Jacobian matrix Jacobi canonical matrix Jacobi condition Jacobi ellipsoid Jacobi polynomials Jacobi's method Jacobi's theorem Jacobi's transformations Jacobshavn Glacier jacobsite Jacob's ladder Jacobsoniidae Jacobson radical Jacobson's cartilage Jacobson's organ Jacob's staff Jacobs taper jacquard Jacquemart's reagent

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