“刚体地球章动”的概念、定义、翻译、参考文献-科学参考

单词	刚体地球章动
释义	刚体地球章动 Encyclopedia 工学刚体地球章动释 rigid Earth nutation刚体地球章动假设地球为刚体时，瞬时地球自转轴总是缓慢绕平均地球自转轴旋转，形成进动或岁差轨迹，又因受到外部天体引力矩作用，瞬时地球自转轴围绕平衡位置（岁差轨迹）作微小摆动。
随便看	International Documentary Film Festival Amsterdam International Documentary Film Festival in Florence International Double Line International Dragon and Lion Dance Federation International Dragon Boat Federation international drug control strategy International Dry Bulk Shipowners Association International DUBLIN Literary Award international earth rotation and reference system Service International Earth Rotation and Reference Systems Service international earth rotation and reference systems service conventions International Ecological Economy Promotion Association international economic law international economic organizations international economics Internationale des associations techniques cinematographques International Editor of the Year Award international education International Education of Information Interaction Design International Education Year International Electronic Commerce Expo International Electronics Manufacturing Co. International Electrotechnical Com-Mission International Electrotechnical Commission, Terminology Technical Commmittee international ellipsoid

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。