1999.7—— Teacher of Mathematics Department of Anhui Normal University, lecturer in 2004, associate professor in 2007.
In ...
September 2000-June 2003: Master of Applied Mathematics, majoring in Computational Number Theory, Department of Mathematics, Anhui Normal University, and obtained the master's degree in June 2003.
From September 2003 to June 2006, he was a Ph.D. student in number theory in the Department of Mathematics of Nanjing Normal University, and received his Ph.D. in June 2006.
1, lack of fresh water;
1, excessive flooding;
2. extinction of animals