The basic framework of literature review includes title, abstract and keywords, introduction, subject part and references. Literature review is a form of academic papers. From the perspective of philology, there are two kinds of scientific papers, namely original papers and finishing papers. Any paper written by summing up the direct experience accumulated from research practice is called an original paper, or a scientific research paper, which only contains part of its own experience and information.

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Literature review refers to the literature published by the author on a certain topic in a certain period of time. After extensive collection and reading, the author summarizes, extracts or translates the main viewpoints and conclusions. The near-earth comprehensive analysis reflects the research progress of this subject. It focuses on historical achievements in chronological order in content arrangement. The main feature is to accurately divide the development stages of the discipline, and each stage should have representative documents, while omitting the documents of branches.