由迭代算法得到的直到六阶的摄动补充完整了远日的四个行星的理论。
Perturbations up to the sixth order obtained by an iterative method complete the theory of the four outer planets.
在第一部分，我们提出了用于构建把有关质量的摄动展开到三阶的方法。
In the first part, we develop the method used for the construction of the third order perturbations with respect to the masses.
研究了一类具有混合边界条件的奇摄动二阶积分微分方程边值问题。
This paper studies a class of singularly perturbed two order integral differential equation boundary value problem with mixed boundary conditions.
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