引言部分主要说明本文写作的目的、涉及范围、相关领域的前人研究成果，研究设想、理论意义和实际价值、创新性。
The object matter of the foreword part is to describe the aim of this article, its research area and expectation, and its value both in practice and theory.
在论文的序论中，介绍了论文的主题和研究目的，论文的研究范围，国内外相关领域的研究现状，以及论文研究采用的主要研究方式。
The prodrome of this paper includes main topics, research purpose, researching range and current situation about the relevant research in China and abroad, and the main methods the paper adopted.
包括研究工作的目的、范围和意义，问题的提出和选题的背景，最后阐述了本文所要解决的问题。
Including the purpose, range and meaning of research work, the proposition of the question and background of selected title, explained the problem that this text should solve finally.
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