一类三次系统的奇点判定量 - 中南大学学报（自然科学版、英文版） 关键字: 三次系统;奇点;判定量[gap=410]Key words: cubic system;odd point;focal value
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This paper concerns with limit cycles in a cubic system. Four limit cycles are found and their distributions are studied by using the methods of bifurcation theory and qualitative analysis.
本文研究一类三次系统的极限环,利用分支理论与定性分析技巧发现这类系统有四个极限环,并给出了他们的分布。
参考来源 - 一类三次系统极限环的个数与分布·2,447,543篇论文数据，部分数据来源于NoteExpress
第二章研究了一类拟三次系统的中心条件与极限环分支问题。
In chapter 2, center condition and bifurcation of limit cycles of quasi cubic system are I.
本文研究了一类三次系统无穷远点的中心条件与赤道极限环分枝问题。
Studied in this paper are center conditions and bifurcation of limit cycles from the equator for a class of cubic polynomial system.
在删除开始处与加载该应用程序相关的输出内容后，您可以看到所进行的三次系统调用。
After removing the output at the beginning relating to loading the application, you can see that three system calls are made.
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