The institutional differences of ABCDE are as follows:
First of all, the position is different:
1, comprehensive management (Class A): mainly suitable for positions in public institutions focusing on administration, affairs and business management;
2. Social science majors (Class B): economics, journalism, lawyers, publishing editors, journalists, translators, notaries, librarians (books and archives), accountants, general social science researchers, sports coaches, radio and television broadcasting, arts and crafts, and arts majors (screenwriter, composer, director, performer, conductor, art, dance).
3. Natural science majors (Class C): engineering, agricultural technology (agronomy, animal husbandry and veterinary medicine), statistics, ships, civil aviation flight, customs declarers, experimenters, technical school teachers and general natural science researchers;
4. Primary and secondary school teachers (Class D): primary school (preschool education) teachers, middle school teachers and secondary professional school teachers;
5. Medical treatment and health care (e): doctors, pharmacists, nurses and technicians.