cubic system

基本解释

In this paper, the global topological classifications for homogeneous cubic system in the plane with common factor are discussed, and their coefficient conditions are given.
讨论了具有公因式的平面齐三次系统全局结构的拓扑分类，并给出了它们的系数条件。
According the theory of the singular point value and the calculating method, the highest singular point of the origin- 5th degree is obtained and proved for a class of cubic system.
运用奇点量理论和计算方法求出了一类三次系统原点的最高阶奇点量并证明为5阶；
This paper discuss the locally topological structure of higher order singular point for the plane cubic system in the first critical case and give a criterion by the coefficients of polynomials.
讨论了第一临界情形下的平面三次系统高次奇点的局部拓朴结构，并给出利用多项式系数的判断准则。

That year a new manager took over and instituted a tiered system of payment: If your household consumption was not more than 7.5 cubic meters per month (this would take care of water required for drinking, cooking and some hygienic needs of an average family of eight), you paid a subsidized rate, but if your monthly consumption was more, you paid a market rate.
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