引言部分主要介绍了本论文的研究背景与研究范围，并概述了与本论文题目相关的研究现状，阐明了本论文的研究意义。
Introduction introduces the background of this research and the scope of the study, and an overview of topics related to this thesis research status, Explained the significance of this research.
引言中简要概述了论题的选择缘由，介绍本论文的研究意义、研究采用的主要方法和相关领域的一些研究现状。
Introduction is a brief overview of the topic chosen causes, explains the significance of this paper, research methods, the status of research related to the main areas.
引言概述了本文的研究目的、意义、研究资料与方法，介绍了一些与本课题相关的研究成果。
The introduction part briefs on the objective and significance of conducting the research, its resources and the methods involved in studying and elaborate on some achievements related to the topic.
引言概述了本文的研究目的、意义、及研究方法，介绍了一些相关的研究成果。
The introduction has outlined the research goal, the significance, and the research technique of the article and also reviewed some related research results.
引言概述了本文的研究目的、意义、及研究方法，介绍了一些相关的研究成果。
The introduction has outlined the research goal, the significance, and the research technique of the article and also reviewed some related research results.
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