Key Lab of Intelligent Processing, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China.|Key Lab of Intelligent Processing, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China.|Key Lab of Intelligent Processing, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China.|Key Lab of Intelligent Processing, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China.|Key Lab of Intelligent Processing, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China.|Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, 100190, China. zheng@itp.ac.cn.|Key Lab of Intelligent Processing, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China. dbu@ict.ac.cn.