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- 扰动平面Hamilton系统perturbed planar hamihonian systems
- 平面Hamilton系统planar Hamiltonian system
- 一平面Hamilton系统的Abel积分的零点个数估计Estimation of the Number of Zeros of Abelian Integrals of a Planar Hamiltonian System
- 一类具有Z_2-等变性的5次平面Hamilton向量场的多极限环分叉The Multiple Limit Cycles Bifurcation on a Z_2-Symmetric Perturbed Polynomial Hamiltonian System of Degree 5
- 平面(n) geometric plane surface
- 扰动perturbation
- 文件系统file systems
- 生态系统ecological system
- 平面设计planar design
- 免疫系统immunologic system
- 平面的complanate
- 管理系统managerial system
- 电力系统electric power system
- 平面度planeness
- 神经系统nervous system
- 平面设计师graphic designer
- 电脑系统computer system
- 平面广告billboard
- 管理信息系统management information system
- 平面布置图floor chart