Zhengde Dai
1992-now Professor in Yunnan University, 1987-1992 associate professor in Yunnan University 1981-1987 Lecturer Yunnan University; 1978-1981 Graduate student ,Nanjing university
1992-now Professor in Yunnan University, 1987-1992 associate professor in Yunnan University 1981-1987 Lecturer Yunnan University; 1978-1981 Graduate student ,Nanjing university