Generally speaking, if one of them fails in the blind test, the other two experts will be sent to the blind test again immediately. If the other fails, it will have to be postponed. Therefore, if there is an unqualified doctoral thesis in blind evaluation, two more will be issued.

Blind evaluation refers to a system of organizing expert group evaluation, that is, anonymous submission, which means that the evaluation tutor does not know who the author of the paper is. In this way, the false positive rate of scores is low, which is generally used in college marking.