Overall repetition rate: including title, abstract, keywords, table of contents, text of graduation thesis (including preface, thesis and conclusion), etc. And the repetition rate of text content and other papers is required to be lower than a certain proportion.

Single sentence repetition rate: the repetition rate of each sentence in the text is required to be lower than a certain proportion with other papers.

Format specification of cited references: It is required that the format specification of cited references in the text shall not exceed the limit of "appropriate citation".

Copy of pictures and tables: The repetition rate of pictures and tables copied in this paper is required to be lower than that of other papers.

In order to reduce the repetition rate of papers, some modification techniques can be adopted, such as replacing synonyms, changing sentence structure and adding irrelevant information. At the same time, we should abide by academic norms and avoid plagiarism.