According to the Interim Measures for the Master's Dissertation Examination of Liaocheng University, the master's thesis examination in this school is required to be an on-campus examination.

Blind examination of master's thesis at school level refers to the examination by experts inside the school. The examiner doesn't know whose thesis he is examining.

Blind off-campus evaluation means looking for off-campus experts to evaluate, and I don't know whose paper it is. Blind trial refers to off-campus blind trial. After internal audit and pre-defense, every graduate student must pass the internal audit before the master's degree theory can enter the re-examination. But it's usually internal audit, and external audit is random.