引言部分包括研究意义、研究目的、研究综述、研究思路和研究方法。
The introduction part includes the significance of study, the purpose of study, the study summary, the train of thought and the research methods.
第一章绪论阐述了这个课题的研究背景、研究综述、研究思路和研究方法。
The first chapter introduces the research 'background, the sum-up of study, the train of thought and the research' method.
本文分为五个部分，第一部分介绍了本文的选题背景、研究思路和研究方法。
This paper is divided into five parts. In first part, I introduce the background and research method of this paper.
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