经典圆定理只证明了奇点位于圆外的情况，本文用正则摄动法证明了源和汇位于圆上时，圆定理也是适用的。
This study illustrated that the theorem could be also applied in a case where the sources and sinks are on the circle by means of the regular perturbation method.
本文对主经圆定理给出了一个简练的解析证明，并且在此定理的思想基础上，得到了椭圆上法线的两个性质定理。
This paper has given a pithy analytic Proof of "principal diameter circle"Theorem. And on the basis of the thought of the theorem. We obtain two theorem about ellipse normal.
为了证明这个定理，我们假定这个圆G能按上述方式画在一个球面上。
To prove the theorem we shall suppose that the graph G is drawn on a sphere as described above.
帕司卡定理：给定一个圆上的六边形，则此六边形三对对边直线的交点在同一直线上。
Pascal's Theorem points of intersection of opposite sides a hexagon inscribed in a conic are collinear .
圆幂定理是初中平面几何《圆》中重要定理之一。
The circle-power theorem is one of important theorems in plane geometry.
孙道椿证明了单位圆内一类零级亚纯函数的最大型聚值点存在性定理，本文将这一结果在一定程度上推广到了亚纯代数体函数。
Sun Daochun proves the existence theorem on the maximum condensation point of the zero order meromorphic functions in the unit circle.
对圆度误差评定理论及应用进行了探讨 ，构造了圆度误差数学模型 ，利用置换算法按最小条件求得圆度误差 。
This paper makes use of the computerized permutation method in the calculation of roundness error fitting the minimum conditions.
对圆度误差评定理论及应用进行了探讨 ，构造了圆度误差数学模型 ，利用置换算法按最小条件求得圆度误差 。
This paper makes use of the computerized permutation method in the calculation of roundness error fitting the minimum conditions.
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