1, Class A: These papers are of high quality, and the research results are innovative, which has made some contributions to the academic circles. In blind evaluation, experts will give high evaluation to such papers.
2. Class B: The quality of this kind of papers is good, but compared with Class A papers, the innovation and academic value are slightly insufficient. Although it has a certain academic contribution, its influence is relatively small.
3. Class C: The quality of this kind of papers is average, and the research results have certain value, but compared with A and B papers, the innovation and academic value are lower.
4. Class D: These papers are of poor quality and have many problems, such as unreasonable research methods and inaccurate data. In the process of blind evaluation, experts will put forward more suggestions for revision of such papers.