Generally speaking, the duplicate checking rate of papers should not be higher than 30%. If it is a college graduation thesis, it is generally required that the duplicate checking rate of graduation thesis is within 25%. The duplicate checking rate of some top university dissertations is required to be within 15%. Different universities have different requirements, so do different schools.

The highest investigation rate of Guangxi University Challenge Cup is 20%. According to relevant public information, the Challenge Cup of Guangxi University has strict requirements for the papers submitted by students, requiring students to pay attention to the accuracy of literature citations and references in the process of writing papers to avoid plagiarism.

Generally, it will not be re-examined. In general, the duplicate checking rate shall not exceed 15%. Mathematical modeling is to establish a mathematical model according to actual problems, solve the mathematical model, and then solve the actual problems according to the results.

Thereby reducing the repetition rate. School duplicate checking generally uses the paper duplicate checking system of HowNet. Different schools have different requirements for repetition rate, and the difference between master's degree and undergraduate degree is quite big; Undergraduate colleges generally require less than 30%, and 15% is also available; Master Bo requirements 10%-20%.

The duplicate checking rate of the essay competition should not exceed 20%, and it is better not to reach 15%.

Colleges and universities generally stipulate that the duplicate checking rate of papers in mathematical modeling cannot exceed 15%, and of course there will be stricter ones. Mathematical modeling is to establish a mathematical model according to actual problems, solve the mathematical model, and then solve the actual problems according to the results.