Now it is called School of Mechanics and Materials, Department of Materials Science and Engineering. The situation in the last two years is: if you want to report the materials of rivers and seas first, then just go to the national line and it will be OK. If your first choice is He Hai's other major, it is not difficult to adjust, but if your first choice is that other schools want to adjust, it is very difficult. The headmaster delivered a speech: starting from this year, the first choice is not the priority adjustment of our school. Everyone is an adult, so let's understand the meaning of this sentence by ourselves.