Summarily speaking, the detailed research content based on problem above is as follows:1. The establishment of nonlinear dynamical model for rub-impact rotor system.

概述地说，围绕上述问题所开展的具体研究内容包括以下方面：1。碰摩转子系统非线性动力学模型的建立。

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In this paper, an attitude space of logistics park and structure of logistics industry are set up, and a nonlinear dynamical model for park's enterprises is established.

文中构建了物流园区的态度空间和物流产业构形，建立了园区物流企业迁移的非线性动力学模型。

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In this paper, an attitude space of logistic park and structure of logistic industry have been set up, and a nonlinear dynamical model for park's enterprises is established.

文中论述了园区企业的迁移规律，构建了物流园区的态度空间和物流产业构形，建立了园区物流企业迁移的非线性动力学模型。

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