Every school is different, and the full-text repetition rate is below 30% (while some schools have undergraduate courses of 20%). There should be no requirement for the repetition rate of each chapter. Each school will formulate detailed rules, and the school will also give a place to check the repetition rate-basically China HowNet. Call the teacher specifically. Every school in every field has different requirements.

The special function of nouns in related duplicate checking system;

The specific concepts of duplicate checking rate are plagiarism rate and citation rate. Professional software should be used to test the similarity between articles and others' papers to prevent plagiarism. That's basically what it means.

One is the self-writing rate: I wrote it myself.

One is the plagiarism rate: plagiarism.

There is also citation rate: those marked with citation symbols are reasonable citations of other people's information.