“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	palm-twisting manipulation Palo Alto group Palomares nuclear weapon accident Palomar Green survey Palomar-Haro-Luyten Catalogue of Blue Stellar Objects Palomar Observatory Palomar Observatory Sky Survey Palomar Sky Survey palpal claw palpal organ palpal receptor palpal seta palpal tarsus palpation palpation of hands and feet palpation of the abdomen palpation of the acupoints palpation of the cardiac apex area palpation of the chest palpation of the chest-hypochondrium palpation of the hypochondrium palpation of the skin palpation of the stomach palpation of the stomach-abdomen palpebrae

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。