引言部分，介绍了研究的对象、写作的背景及选题的意义。
In the introduction, the author explains the subject, background and significance of the research.
故论文的选题具有理论意义和实用价值。
So, the selected topic of thesis has important value in theory and practice.
准确、新颖的选题对科研活动的成功与否具有重要的意义。
Finding a correct and original research topic is crucial important for research activities.
第一部分介绍了论文选题的背景、目的和意义。
The first section introduces the background of this thesis , the object and the meaning.
因此，本研究选题具有重要的实践意义。
所以选题具有较强的理论前沿性和积极的现实意义。
Therefore, the theory of choice has strong forward and a positive practical significance.
因此，本论文的选题具有很重要的理论意义和实践价值。
Therefore, the topics of this dissertation have the great theory significance and application value.
引言与文献综述部分主要阐述选题的缘由、目的及意义。
The introduction and review focuses on the reason, purpose and meaning of this paper.
论文首先阐述了选题背景与研究的目的和意义。
The paper first elaborates the goal and significance of background and research.
阐述了本课题的选题背景、课题研究的意义以及课题研究的理论基础。
It elaborates the selected background, the research significance as well as the research foundation.
第一部分介绍了本研究的选题目的、原因及选题意义。
The first part introduces the reason why this study was chosen and its significance.
本文首先阐述了论文的选题依据及研究意义。
This paper firstly expounds the basis of subject and significance of study.
本文的选题有一定的理论和现实意义。
So, the selection of subject of this article has certain theoretical and realistic sense.
第一部分介绍了论文的选题背景、写作意义和研究方法。
The first part introduced the research background, significances and method.
第一部分介绍了论文的选题背景、写作意义和研究方法。
The first part introduced the research background, significances and method.
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