“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	X-ray diffraction pattern X-ray diffraction topography X-ray diffraction (XRD) Xray diffraction (XRD) X-ray diffractometer X-ray diffractometry Xray diffractometry X-ray diffuse scattering X-ray diode X-ray dose and X-ray double-crystal diffraction X-ray dynamic examination X-ray eclipse X-ray eclipsing star X-ray edge problem X-ray effects of nuclear explosion X-ray emission X-ray emission of active galactic nucleus X-ray emission of galaxies X-ray emission of galaxy clusters X ray emission spectroscopy X-ray emission spectroscopy Xray emission spectroscopy X-ray emission spectroscopy, XES X-ray emission spectrum

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。