您要查找的是不是：
- higher polynomial system 高次多项式系统
- Existence and Uniqueness of Limit Cycles for a Class of Higher Polynomial System 一高次多项式系统极限环的存在性和惟一性
- In this paper, the bifurcation of limit cycles for a quartic polynomial system is investigated. 摘要研究一类四次系统的极限环分枝问题。
- Eigenvalue method is one of the fundamental methods that solve polynomial system. 特征值方法是求解多项式方程组的基本方法之一。
- Xianfeng Chen and Zhizhen Qian, Uniqueness of limit cycles of some high degree polynomial systems, Journal of Shanghai JiaoTong University, Supp. I (1998), 16--20 (in Chinese). 陈贤峰，一类带高次自反馈非线性控制系统的镇定性，上海交大学报;(7)35(2001);1097--1099.
- Distribution of limit cycles for a class of higher-degree degenerate planar polynomial systems of codimension two is discussed. 摘要讨论了一类余维2的高次退化平面多项式系统的极限环分布，证明了此系统至多存在3个极限环。
- In this thesis, the limit cycles bifurcated from some kinds of polynomial systems are investigated using the methods of bifurcation theory and qualitative analysis. 本文利用分支理论和定性分析的方法，借助于计算机等辅助工具对几类多项式系统的极限环分支问题进行了研究。
- Qualitative Analysis for Infinit Equilibria of a Polynomial System of High Degree in Biochemical Reactions 生化反应中一类高次多项式微分系统的无穷远奇点分析
- LIMIT CYCLES OF THE EQUATOR IN A QUINTIC POLYNOMIAL SYSTEM 一类五次系统的赤道极限环问题
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- The dockers are coming out on strike for higher wages. 码头工人将举行罢工要求增加工资。
- Sherman recommended that Clarke be disciplined, but higher-ups rejected the idea. 谢尔曼建议对克拉克进行纪律惩戒，但高层拒绝了这个意见。
- The Detroit auto workers went out for higher pay. 底特律的汽车工人为争取提高工资而罢工。
- Synthetic Elimination Method for Solving a Polynomial System of Equations 求解多项式方程组的综合消元法
- The higher officials knew there was a hen on. 高级官员们知道这里面有阴谋。
- Higher living costs have swallowed up our pay rise. 上涨的生活费用已经抵销了我们增加的工资。
- Study of center focus decision problem for a type of polynomial system 一类多项式系统中心焦点判定问题的研究
- The airplane ascended higher and higher. 飞机渐渐升高。
- The climbers mounted higher and higher. 攀登者越爬越高。
- Nearly Differential Characteristic Set for Differential Polynomial System 微分多项式系统的近微分特征列集
