Different schools and institutions may have different requirements for paper duplicate checking rate, so the specific repetition rate standard needs to refer to the specific requirements of schools or institutions.

Generally speaking, most schools or institutions have certain requirements for the duplicate checking rate of papers, which is generally between 20% and 30%. In other words, if the duplicate checking rate exceeds this range, it may be considered plagiarism and needs to be revised or rewritten.

It should be noted that different schools and institutions may have different control standards for paper duplicate checking rate, so students or authors should carefully read the specific requirements of schools or institutions to understand the scope and standards of paper duplicate checking rate. At the same time, we should pay attention to self-innovation and independent thinking in writing papers to avoid excessive plagiarism and plagiarism.