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。

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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。

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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。

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