您要查找的是不是：
- 拟Hamilton系统quasi-Hamiltonian system
- 拟Hamilton原理quasi-Hamilton principle
- 次二次Hamilton系统的对偶Morse指标及其闭特征的稳定性Dual Morse Index for Subquadratic Hamiltonian Systems and the Stability of the Closed Characteristics
- Darboux变换的周期固定点导出的有限维可积的Hamilton系统(英文)Finite-Dimensional Integrable Hamiltonian Systems Obtained from Periodic Fixed Points of Darboux Transformation
- 文件系统file systems
- 生态系统ecological system
- 曲线拟合curve fitting
- 免疫系统immunologic system
- 拟人化personate
- 管理系统managerial system
- 拟制draw up
- 电力系统electric power system
- 神经系统nervous system
- 电脑系统computer system
- 管理信息系统management information system
- 电气系统electrical system
- 拟余Hamilton原理quasi-complementary Hamilton principle
- 排水系统drainage system
- 嵌入式系统embedded system
- 通讯系统communication system
