Based on the orbit equation of particle motion in central force field, the stable property and close property of orbit were discussed.

在中心势场中粒子运动轨道方程的基础上，进一步讨论粒子轨道的闭合性、稳定性。

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Base on the current density caused by the moving monopole, the hyperbola radiation spectrums of monopole in the central force-field are studied in detail and numerical value calculated in this paper.

从运动磁单极子产生的流密度方程出发，研究了在中心力场中沿双曲线运动磁单极子辐射能量谱，并对其进行数值计算。

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In this paper, a simple method of calculation is given, the method is common and can solve some questions of central force field of spherical symmetry.

本文给出了较简便的运算方法，该方法具有一般性，能解决一类球对称中心力场的许多问题。

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