The enrollment ratio of Hefei University of Technology is 3: 1 to 6: 1. From 20 19 to 202 1, the enrollment ratio of mechanical and electronic engineering is between 3: 1-6: 1, which changes every year. The retest line of 22 is 3 17, and the admission ratio of 22 is expected to be around 6: 1. Take this as a reference.