1: Total * *1/digit: for example, 20132110/02.
2: 20 13 is the admission time.
3: 2 1 is the department number (compiled by the school, from 0 1 to more than 30, 2 1 is the department of mathematics! I don't know the rest)
4: 1 is the number of the professional representative under the department.
5: 0 1 is the class number.
6: 02 is the student number of the class to which the students belong, which is generally arranged in pinyin order.
Two: Every new student has his own student number.
The attendance sheet in the teacher's hand (or the head teacher's hand) has a name and student number, that is, fill in this number, and the exam certificate must also have this number.