| 1. | A class of cubic systems with one order ' s fine focus
一类具有一阶细焦点的三次系统 |
| 2. | Analysis of data storage for electrical secondary system
电力二次系统存储备份方案分析 |
| 3. | If necessary , delete file at next system start
如果有必要的话,在下次系统启动时删除文件 |
| 4. | Creation and disappearance of limit cycles in quadratic system
0类二次系统极限环的产生与消失 |
| 5. | Uniqueness of limit cycle for qudratic system of type
类二次系统极限环的惟一性定理证明的改进 |
| 6. | The global structure and bifurcation for a class of cubic system
一类三次系统的全局结构和分支 |
| 7. | Study on a class of cubic system with algebraic solutions
一类具有抛物线解的三次系统的定性研究 |
| 8. | On the number and distributions of limit cycles in a cubic system
一类三次系统极限环的个数与分布 |
| 9. | A perturbation - incremental method for limit cycles of li 233 ; nard equation
型三次系统的极限环问题 |
| 10. | On the decision of the center or focus for a class of planar quintic system
一类平面五次系统的中心焦点判定 |
