Ji, Junzhong
Yang, Cuicui
Liu, Jiming
Liu, Jinduo
Yin, Baocai
Funding for this research was provided by:
The National “973” Key Basic Research Program of China (2014CB744601)
The NSFC Research Program (61375059, 61332016)
The Specialized Research Fund for the Doctoral Program of Higher Education (20121103110031)
The Beijing Municipal Education Research Plan key project (KZ201410005004)