1. Time for the staff of the learning and engineering system to return to work: September 8th.

2. Online teaching time: from September 13 (the learning object is freshmen from junior college).

3. Time for students to enter the school by stages:

(1) On September 12, volunteers and students who participated in related disciplines competitions are welcome to report back to the school.

(2) In September,17-18,2021undergraduate students (including students who are separated from preparatory courses) and graduate students reported for duty. Among them, 202 1 Postgraduate September 17 was reported.

(3) On September 24th, other undergraduate students (including freshmen) and graduate students who have not returned to school reported back to school.

(4) June 10, 16- 17, 202 1 preppie.