具体研究内容包括：(1)介绍和分析土地整理实施效益评价的相关理论及国内外研究进展。
The practical study includes: (1) Introduced and analyzed the relative theory of "Implementing Benefit Evaluation to Land Consolidation Project" and the study progress both at home and abroad.
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。
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.
具体来讲，本文的内容和成果主要包括以下几个方面：(1)研究了反向响应过程的振铃问题。
Specifically, the main achievement of this research is as follows: 1 the ringing problem of the reverse process is analyzed.
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