Repetition rate requirements: According to the requirements of different schools and institutions, the duplicate checking rate of undergraduate graduation thesis is generally between 20% and 30%. In other words, if the paper repetition rate exceeds this standard, it will be judged as unqualified.

Duplicate checking method: The duplicate checking system will compare the paper with the existing literature to detect whether there are duplicates or similar contents in the paper. In the process of comparison, the duplicate checking system will divide the content of the paper into fragments for detection, such as cover, abstract, introduction, chapter 1, chapter 2 and so on.

Judgment method: The duplicate checking system will mark the detected duplicate content and calculate its repetition rate. Generally speaking, the system will mark the repeated content according to the number of words and the proportion of repetition, such as mild repetition, moderate repetition and severe repetition. According to these scores, we can judge the eligibility criteria of the paper.

Different schools may have different specific duplicate checking standards and judgment methods, so it is suggested to pay attention to the relevant notices and requirements of schools in time.