“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	functional space functional specification functional structure Functional Studies of Chinese Grammar functional supervision functional symbol functional syncytium functional system functional textile design functional theory functional thermal fluid functional titanium alloy functional to be minimized functional traits functional transformation functional transformation of existing building functional transformation technology functional unification grammar functional unification grammar, FUG functional unit functional variant functional varying-coefficient model functional vomiting functional wet-laid nonwoven functional wood-based panels

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。