Determining the oblateness is extremely difficult.
测量扁率是极为困难的。
The changes of optimal trajectory caused by Earth's oblateness are computed.
详细计算分析了地球扁率对最优轨道的影响。
Titan's oblateness may also help explain why its methane lakes are concentrated near the poles.
泰坦的扁圆形也可以帮助解释为什么它的甲烷湖集中在极地附近。
The result suggests that the oceanic mass redistribution can partly explain the abnormal variation of the Earth's oblateness from 1998.
通过比较，可以看出，海水质量变化可以部分解释1998年以来地球动力学扁率的异常变化。
The reason of attitude correction of scanning infrared horizon sensor is presented by reason of Earth's oblateness and infrared radiation.
分析得出地球扁率和红外辐射是扫描式红外地平仪测量误差的主要原因。
Simple form unretarted orbit of space vehicles under the first order perturbation of the oblateness of the earth is obtained in this paper.
本文求得了空间飞行器在地球扁率摄动作用下简单形式的一阶解。
By using the nonlinear programming theory, a optimal impulse satellite evasive trajectory planning model considering earth oblateness perturbation had been established.
利用非线性规划理论建立了脉冲推力能量最省的逃逸轨迹规划模型，并考虑非球形摄动的影响对模型进行了修正。
The first part is to analyze the two error sources of the earth horizon sensor: one is earth oblateness and the other is non-uniformly distributed atmospheric infrared radiation.
分析了引起地平仪测量误差的主要误差源—地球扁率和大气红外辐射不均匀性。
When solving required velocity, it real-timely thinks about influence of oblateness of the earth and gives the process of solving required velocity by midcourse trajectory method.
求解需要速度时，实时地考虑了地球扁率的影响，并给出了利用中间轨道法求解需要速度的过程。
When solving required velocity, it real-timely thinks about influence of oblateness of the earth and gives the process of solving required velocity by midcourse trajectory method.
求解需要速度时，实时地考虑了地球扁率的影响，并给出了利用中间轨道法求解需要速度的过程。
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