2. Postgraduate majors are distinguished by disciplines. It is suggested that you choose your favorite engineering university, and then go to the graduate enrollment network of the school website to check the professional catalogue of graduate students to find out what related majors there are.
3. The research direction is only to tell candidates in advance that the school has instructors in this area. At present, many schools choose their research direction only after entering the school, and the courses of graduate students in all directions are the same after entering the school. The differences in different research directions are mainly reflected in the topic selection and guidance of graduate thesis. Postgraduate admission is generally ranked by major.
4. The master of vehicle engineering is usually not a major, but a research direction of mechanical engineering, while the master of vehicle engineering generally has no research direction.