文献综述是对近年来以某一专题为中心的有关文献的综合分析,在科技论文写作中经常用到。一般在论文的引言部分要对此前的重要研究成果加以综述作为一篇论文的开头和铺垫,目的是让读者了解所写文章的立意与价值。因此,对文献的综述应当包括以下要素:(1)该主题目前的研究现状;(2) The literature review is a comprehensive analysis of relevant literature focusing on a particular topic in recent years and is often used in the writing of scientific papers. In the introduction part of the dissertations, we usually summarize previous important research results as the beginning and foreshadowing of a dissertation, in order to let readers understand the conception and value of the written articles. Therefore, the review of the literature should include the following elements: (1) current research status of the topic; (2)