本文第一部分引言，对本文的研究背景、研究意义、研究框架及理论依据做了基本的描述。
In this paper, the introduction of the first part of this paper, the research background, research significance, research framework and theoretical basis for a basic description.
第一部分引言主要介绍了本文选题的目的和意义、研究内容、研究方法、拟解决的主要问题。
The first part introduction introduces the purpose and significance of this topics, content, research methods and main problem to be solved.
论文主要包括以下四个部分：第一部分引言主要介绍了本课题的提出过程，背景以及研究的意义。
The first chapter illustrates the introduction of the research , simultaneously gives a brief presentation of the background and purpose of the study.
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