简要阐述本论文的研究背景、研究现状、研究目的和意义、研究内容与方法等。
This part briefly describes the research of background, current situation, purpose and meaning, content and methods.
论文阐述了研究水利水电工程造价控制的背景与研究意义，提出了论文研究的主要内容和方法。
This paper addresses the background of hydropower project cost study and study significance, putting forward the main contents and method of the paper study.
第一章，主要论述了论文研究的背景、相关概念的界定以及论文研究的内容、意义与论文的框架。
The first chapter, it states the background of the thesis, defining of the relevant concepts and the content, significance, framework of the thesis.
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