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- earth rs equatorial plane 地球赤道平面
- Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane. 由于地球是扁球体，绕极轴惯量矩最大，而绕在赤道面内的轴的惯量矩最
- Chaotic planar libration and its control of a magnetic rigid spacecraft with internal damping in an elliptic orbit near the equatorial plane of the earth are investigated. 研究在地球万有引力场和磁场中具有结构内阻尼的磁性刚体航天器在近赤道椭圆轨道上平面天平动的混沌行为及其控制.
- Most of the earth rs surface is covered by water. 大部分的地球表面被水覆盖着。
- Earth quakes can result from stresses in the earth rs crust. 地壳内的应力可能引起地震。
- The sun appears to rise and set because of the earth rs rotation. 因为地球在自转，看上去就有了日出和日落。
- Lunar eclipse occurs when the earth rs shadow falls on the moon. 地球的影子落在月球上时，就发生月蚀。
- Material along the rotation axis falls vertically toward the equatorial plane much faster. 沿著转轴两侧分布的物质则快速笔直地落入赤道面。
- Coordination saturation is thus proved to be space saturation in the uranyl equatorial plane. 由此说明铀酰的配位饱和实际上是配位空间的饱和。
- The angle between the plane of the ecliptic and the equatorial plane is the obliquity of the ecliptic. 黄道面与赤道面的夹角是黄道的倾角。
- Children supporting their parents is nature rs law and earth rs way. 子女奉养父母是天经地义的。
- A preliminary analysis shows that the east-west asymmetry in the heliospheric equatorial plane is mainly attributed to the spiral structure of the interplanetary magnetic field. 初步分析表明，行星际磁场的螺旋结构是产生日球赤道面内双重激波对结构东西不对称性的主要原因。
- CHAOTIC ATTITUDE MOTION OF A MAGNETIC RIGID SPACECRAFT IN AN ELLIPTIC ORBIT NEAR THE EQUATORIAL PLANE OF THE EARTH 近地球赤道面椭圆轨道上磁性刚体航天器的混沌姿态运动及其控制
- earth rs line of maximum atmospheric gradient 地球最大大气梯度线
- Because of its oblate shape, the moment of inertia of the earth is a maximum about the polar axis and minimum about an axis in the equatorial plane 由于地球是扁球体，绕极轴惯量矩最大，而绕在赤道面内的轴的惯量矩最小。
- the loose mass of the earth rs crust 一层松散物质
- earth rs gravitational field model 地球重力场模型
- Orbital Radius of the Test Particles in the Equatorial Plane of the CM Field 试验粒子在CM场赤道平面的轨道半径
- reentry into the earth rs atmosphere 重入地球大气层
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
