“epicyclic approximation”的概念、定义、翻译、参考文献-科学参考

单词	epicyclic approximation
释义	epicyclic approximation Encyclopedia 理学星系动力学释 epicyclic approximation本轮近似用以描述盘状星系内盘族恒星近圆轨道运动的一种理论近似。 Astronomy epicyclic approximation本轮近似
随便看	urban eco-security urban ecosystem urban efficiency urban engineering geology urban engineering geophysical exploration urban entrepreneurialism urban environment Urban environmental management urban environmental protection urban environmental quality urban environment economy urban environment problems in China Urban Ethnic Work Regulations urban expansion urban expressway traffic control urban external transport system urban finance urban fire safety layout urban flood control urban flood intersecting ditch urban forest urban forest planning and design urban forestry urban freight transport system urban function

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