1. Blind evaluation refers to the process of anonymous evaluation of graduate papers by two or more experts before the defense. The purpose of blind trial is to ensure the fairness and objectivity of the review and avoid the interference of subjective factors in the review process. The result of blind test will be one of the important bases for thesis defense.

2. External audit refers to the process of inviting external experts to audit the thesis when defending the postgraduate thesis. The purpose of external audit is to ensure the academic level and quality of the paper and improve its academic value and practicality. The results of external audit will be one of the important bases for thesis defense.