Affiliation: | ZHOU Zhibin(Department of Physics, Anhui Normal University, Wuhu 241000, China)and CUI Rongqiang(Institute of Solar Energy, Xi'an Jiaotong University, Xi'an 710049, China)Present address:Rcncwable Energy Office in Hainan Province,the State Economic Commission of China,Haikou 570003,China |