“地球近周日自由摆动”的概念、定义、翻译、参考文献-科学参考

单词	地球近周日自由摆动
释义	地球近周日自由摆动 Encyclopedia 工学动力大地测量学释 nearly diurnal free wobble地球近周日自由摆动由地核（或液核）自转轴与地幔自转轴不重合引起的自东向西的地极自由运动。又称自由核章动（FCN）、逆向自由核章动（RFCN）。是地球自转本征模之一。
随便看	spacecraft attitude maneuvering spacecraft autonomous control spacecraft autonomous navigation system spacecraft communication, telemetering, command and tracking system spacecraft control system spacecraft design spacecraft entry technique spacecraft formation flight control spacecraft launch spacecraft launching site spacecraft magnetic test spacecraft manufacturing spacecraft material spacecraft navigation spacecraft nutation spacecraft operation spacecraft orbit control spacecraft project development phases spacecraft ranging spacecraft recovery system spacecraft relative motion spacecraft returning technique spacecraft scale style movement spacecraft systems engineering spacecraft test

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。