介绍了本文研究的背景与意义、主要研究内容与结构安排、研究方法与技术路线和预期价值等。
Introduces the background and meaning, main research contents and structures, research methods, technique routes and expectations etc.
介绍了文章的选题背景与意义、研究进展、研究内容，研究的主要思路、方法、技术路线及相关理论基础。
Preface. In this part the background, the significance, the current condition, the content, the outline, the methods, the technique employed, and relative theories are introduced.
第1章提出论题，界定研究对象与范围并对相关研究及本文所采用的研究方法与技术路线加以介绍。
Chapter 1 raise the issue and define the objects and their scopes, and then, introduces the methods of research and the technical path.
本文第一章主要阐述选题背景、研究方法、研究思路、技术路线与研究意义。
The first chapter of this paper describes the research background, methodology and concepts, technical structure and research significance of this study.
本文第一章主要阐述选题背景、研究方法、研究思路、技术路线与研究意义。
The first chapter of this paper describes the research background, methodology and concepts, technical structure and research significance of this study.
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