首先，本文介绍了论文的研究背景、目的意义、研究内容及研究思路和方法。
Firstly, this paper introduces research background, the significance, content and idea, research method.
本论文包括以下五个章节：第一章介绍了论文的研究背景、研究范围、意义和论文框架。
The present research consists of the following five chapters:Chapter One briefly introduces the background, scope, significance and the frame of the research.
第一部分为引言，主要介绍了论文的研究背景和选题的理论价值和现实意义并引出所要研究的重心。
The first part is the foreword, which mainly introduced the research background, the theory value, the practical significance and the center of gravity of the paper.
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