Advance approval includes navigation technology and marine engineering, all of which are marine engineering majors and only recruit boys! Requirements for height, eyesight, etc:

Navigation majors do not recruit color blindness (weakness), hepatitis pathogen carriers or hepatitis B surface antigen positive people; Among them, the navigation technology major requires a height of 1.65 meters or more, and a binocular naked vision of 5.0 or more, or 4.9 in one eye and 5.1in the other eye; The majors of marine engineering (marine engineering management) and marine electronic and electrical engineering require a height of more than 1.60m, and a binocular naked vision of more than 4.8, or 4.6 in one eye and 4.9 in the other, or more than 4.6 in both eyes, but the corrected binocular naked vision can reach 5.0. Students will undergo a physical examination after entering the school, and those who fail the physical examination will be returned to their original places. A major that only recruits English language candidates.

It is basically possible to approve a line in advance! !