It doesn't matter if the duplicate checking rate of freshman papers is 1.79%. The papers written by freshmen are also for homework and practice. The duplicate checking of domestic periodical papers is very strict. Below 30% of undergraduate dissertations can apply for defense, and below 15% of excellent dissertations can apply. If the duplicate checking rate of master's thesis is less than 20%, you can directly apply for defense. If it is lower than 40%, it can be modified within two days. If the modification still fails, it can be modified within two days. Repeated censorship of domestic periodicals is very strict. Below 30% of undergraduate dissertations can apply for defense, and below 15% of excellent dissertations can apply. If the repetition rate of master's thesis is less than 20%, you can directly apply for defense. If it is lower than 40%, it can be modified within two days. If the revision is not adopted, it can be revised within two days, and more than 40% of the revisions can be revised within half a year.