1. Department of Mathematics, Harbin Institute of Technology, Harbin, 150001 Heilongjiang, China
2. College of Computer Science and Technology, Harbin Engineering University, Harbin, 150001 Heilongjiang, China
3. School of Computer Science and Technology, Harbin Institute of Technology, Harbin, 150001 Heilongjiang, China
4. Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, 130012 Jilin, China
5. State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090 Heilongjaing, China
6. School of Life Science, Harbin Institute of Technology, Harbin, 150001 Heilongjiang, China