It's not finished yet. Re-examination is the longest in the three trials, and some articles need external review, that is, reviewers outside the magazine need to review, and the opinions of external experts need to reach an agreement, so the time is uncertain and it takes half a year or even longer. After the paper is submitted, it needs to go through preliminary examination, review and final examination, mainly to check the repetition rate. This paper will be compared with the articles published on the Internet. If the repetition rate exceeds a certain range, it will be regarded as unqualified.