It follows that the Moon's orbit is primarily determined by the gravitation pull from the Sun, so the orbit of the Earth will always curve towards the Sun.
由此断定月球的轨道主要由来自太阳的牵引力决定，所以地球对于太阳的轨道一直是椭圆形的。
A fast design method for transfer orbit of lunar probe is presented using overlap conic curve method aimed at lunar landing transfer orbit and lunar satellite transfer orbit.
利用重叠圆锥曲线方法，针对着陆型和月球卫星型两种地月转移轨道，给出了一种地月转移轨道的快速设计方法。
Due to the dragging force, trajectories of spacecraft circling planetoid can departure from the standard taper curve orbit which is obtained by the two-body hypothesis.
绕小行星运行的航天器由于受到摄动力的影响，运行轨迹会偏离二体假设下的圆锥曲线轨道。
The main function of curve in the real-time 3D engine is to assist in portraying the movement orbit at spatial object and flight route in same flight simulated games.
曲线在实时3D引擎中的作用主要是帮助描绘空间物体的运动轨迹和一些飞行模拟游戏中的飞行路径。
With rapid developing of the high grade highway and the city orbit transportation in recent years, various kinds of curve beam bridge structure are already extensively adopted by our country.
近年来随着高等级公路和城市轨道交通的修建，各种曲线梁桥结构在我国已被广泛采用。
Finally the result given by experiment shows that the curve of adjusting focus is fit well with the ideal curve. Shooting the goal of the known movement orbit has reached the satisfactory result.
实验结果表明，本系统调焦曲线与理想曲线拟合度较好，拍摄已知运动轨迹的目标，达到了满意效果。
Finally the result given by experiment shows that the curve of adjusting focus is fit well with the ideal curve. Shooting the goal of the known movement orbit has reached the satisfactory result.
实验结果表明，本系统调焦曲线与理想曲线拟合度较好，拍摄已知运动轨迹的目标，达到了满意效果。
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