Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.
第三章通过数值法分析了各项轨道摄动和参数误差等因素的对轨道计算的影响，给出了精确的月球探测器轨道计算数学模型。
参考来源 - 月球探测器轨道动力学及其设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Moreover, its coverage performance is also evaluated under some factors, such as the geometric dilution of precision (GDOP), orbital perturbation, space transmission loss and eclipse.
并进一步在考虑摄动影响、空间传输损耗等因素的条件下评估了此星座的导航性能。
Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.
第三章通过数值法分析了各项轨道摄动和参数误差等因素的对轨道计算的影响，给出了精确的月球探测器轨道计算数学模型。
The reactivities and selectivities of aliphatic and aromatic free-radical(substitution)reactions were explained semi-quantitatively by the perturbation molecular orbital theory.
从而用微扰分子轨道理论半定量地解释了脂肪族的游离基取代和芳香族的游离基取代反应的反应性和选择性。
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