“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	natural well natural width of energy level Naucoridae Naucoroidea naujaite naumannite nauplius nausea nautical almanac nautical astronomy nautical chain nautical chart nautical distance nautical mile dihedral dihedral angle dihedral reflector dihedron diheptal base dihexagonal dihexagonal-dipyramidal dihexahedron dihexy dihydrate dihydrazone

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。