第一部分导论，主要阐述选题背景及意义，提出论文的研究方法与思路。

The first part of this paper, mainly talks about the background and significance of this paper, and puts forward the research methods and ideas of this paper.

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第一部分是研究设计，对论文的选题缘由、研究方法与思路、核心概念等做了简单介绍。

The first part is research introduction, including dissertations reason, research methods and ideas, the core concepts.

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重点介绍了本文的研究背景、国内外研究现状和本文的研究方法与思路等几个方面的问题。

Focuses on issues such as the study's background, status, the research method and the train of thought.

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