基金Supported by National Natural Science Foundation of China(10671126,10671050)the project for science of education bureau of Heilongjiang province(11511137)+1 种基金Natural Science Foundation of Guangdong Province(Grant No.9151051501000072)the Ph.D.Programs Foundation of Ministry of Wuyi University
基金’The author gratefully acknowledges the partial supports of the Chinese National Science The author gratefully acknowledges the partial supports of the Chinese National Science Foundation Grant (10071050)the Science Foundation Grant (02ZA14070)Shang