The mathematical model for the motion of CVE 2 type chaotic vibration exciter was set up and its numerical simulation and chaotic identification were carried out.

建立了使用滑动轴承的CVE - 2型混沌激振器所产生的运动的数学模型，并对其进行了数值仿真和混沌识别。

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Conclusion: the present model complies with the latest type distribution of employees in Kunming, and its simulation result can reflect the effectiveness of medical insurance policy in recent years.

结论：本模型是一个基本符合昆明近期参保职工类别分布的模型，模拟结果可以反映出近期医保政策执行的效果。

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In this thesis, the aerodynamic load simulation of one type of helicopter airscrew is studied, and the system's structure and its mathematic model are analyzed.

论文结合实际的工程项目，以某型号直升机旋翼气动载荷模拟为研究内容，对加载系统的组成、系统数学模型进行分析和研究。

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