“常福元”的概念、定义、翻译、参考文献-科学参考

单词	常福元
释义	常福元 Encyclopedia 理学〔天文学家〕（239）释 Chang Fuyuan常福元（1874～1939）天文学家，中国近代天文学的先驱者之一。
随便看	rotation index rotation index theorem rotation indicatrix rotation inertia rotation invariance rotation-invariant rotation inversion rotation-inversion rotation inversion axis rotation-inversion axis Rotation Law of Garrison Troops rotation matrix rotation measure rotation method rotation method with a barrier rotation modulation inertial navigation system rotation number rotation of a circle rotation of a curve rotation of a disk rotation of a manifold rotation of a plane rotation of a quaternion rotation of a rigid body about a fixed axis rotation of a rigid body with a fixed point

科学参考收录了854744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。