It's over. According to relevant public information, the work was completed on 202 1 1 1 2. According to the sampling method for undergraduate graduation thesis (design) recently issued by the Ministry of Education (hereinafter referred to as the "method"), the sampling of undergraduate graduation thesis will be conducted once a year from 2002 1 to1,and the sampling object should be the thesis awarded bachelor's degree in the previous academic year. In principle, the sampling ratio should not be less than 2%.