1. Expand the document library: You can expand the document library and read more related books, periodicals and papers. , and extract the key parts from it and reorganize them into text.

2. Change the sentence structure: shortening long sentences and using passive sentences appropriately can effectively reduce the repetition rate, directly quoting the original text, such as data source, experimental process and results, and quoting different viewpoints in the form of literature review can reduce the repetition rate.