第一部分，介绍问题的提出背景及其意义、文献综述、相关概念的解析及理论基础、研究框架。
The first part contains background of the problem and its significance, literature review and analysis of related concepts, the theoretical basis and the research framework.
对中国廉租住房供给制度现状的研究包涵了该制度产生的背景及其意义、主要政策、实施过程及结果评价等。
The study of the low-rent housing offering system includes its background and its significance, major policies, procedures and evaluation of results, etc.
第一章引言部分介绍论文的研究背景、研究内容及其意义、论文的研究思路和研究方法，以及论文的结构。
The preface part of the thesis introduces the research background, the contents of the thesis, the way of thinking, the research methods and the structure of the thesis.
第一章对选题背景及其意义进行了阐述，对本文的研究思路、研究方法和论文的基本结构作了说明。
The first chapter explains the reasons and meanings of choosing this topic, the research train of thoughts and methodology, and the basic structure of this paper.
本文首先对选题背景和国内外相关研究观点进行了简要回顾，提出了要研究的问题及其意义。
This paper first gives a brief review of related background and some researchers' viewpoints, and raises that need to study and its significance.
本文首先阐述了论文选题的背景及其意义，介绍了病毒性网络营销的研究现状，给出了本文的研究内容和思路。
This thesis starts by explaining background and meaning of selected title. It introduces the status of viral network marketing, providing research contents herein and thinking.
本文首先阐述了论文选题的背景及其意义，介绍了病毒性网络营销的研究现状，给出了本文的研究内容和思路。
This thesis starts by explaining background and meaning of selected title. It introduces the status of viral network marketing, providing research contents herein and thinking.
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