Firstly, algebraic recursive formulas for computing singular point quantities of the origin are derived.The first 45th singular point values are given by using compute algebra Mathematica.

• 通过运用计算奇点量的方法来计算焦点量，对一类五次多项式微分系统在高次奇点的中心条件与极限环分支问题进行了研究。