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- 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.
- 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。
- 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
- 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。
- 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。
- 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
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的?
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?
- Earth Equatorial Plane 地球赤道平面
- Antarctica is the loneliest place on earth. 南极是地球上最偏远的地区。
- He dived his hand into the earth. 他将手插入泥土中。