By using the classical orbit element differences method, the periodic characteristics of relative motion and the influence of atmospheric drag on relative motion were analyzed.
基于经典轨道要素偏差法分析了相对运动特性和大气阻力对相对运动的影响。
Below the planetary display, each bit serial adder controls one element of the display, the orrery, each of them corresponding to calculate that planet's orbit.
下面显示的行星，每个位串行加法器控制，显示的元素，太阳系仪，其中每一个对应计算出地球的轨道。
This paper has discussed "a small assistant" 's design method and skill in multimedia software from three respects such as element design, dynamic result design and sport orbit design, etc.
本文从图像元素设计、动态效果设计、运动轨迹设计三个方面，讨论了多媒体软件中“小助手”的设计方法和技巧。
Based on the analysis of the operational process of space-based weapons aiming at ground targets, this paper firstly educes that the orbit maneuver is the pivotal element in the rapid operation.
首先通过对天基武器作战过程的分析，得出在轨机动是实现天基快速对地打击的关键的结论；
Based on the analysis of the operational process of space-based weapons aiming at ground targets, this paper firstly educes that the orbit maneuver is the pivotal element in the rapid operation.
首先通过对天基武器作战过程的分析，得出在轨机动是实现天基快速对地打击的关键的结论；
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