引言部分介绍了论文选题的背景、意义及研究方法。
The introduction covers the background, the significance and research method of the dissertation.
第一部分主要概括论文的选题的背景、意义和相关的研究方法。
The first chapter of this paper summarized the background, significance and relevance of the research methods.
首先，本文主要介绍论文选题的背景、研究意义、研究的主要内容和方法。
Firstly, it describes the research background, research purpose, research contents and research methods.
应用推荐