A university admitted in advance. 0 originally refers to advance approval, which generally refers to the special enrollment of art students, sports students or some colleges and universities. Zero batch means approval in advance. This university generally includes military, armed police, national defense students, free normal students in normal universities directly under the Ministry of Education, and some ordinary universities, such as Foreign Affairs College, China Youth Politics College, and International Relations College, as well as some characteristic majors of some ordinary universities, such as marine engineering and navigation technology of Wuhan University of Technology and German major of Communication University of China.