基金国家自然科学基金( the National Natural Science Foundation of China under Grant No.60573066)广东省自然科学基金( the Natural Science Foundation of Guangdong Province of China under Grant No.5003346)教育部留学回国人员科研启动基金( The Project- spon-sored by SRF for ROCS, SEM No.教外司留[2006]331 号) 。
基金Supported by the National Natural Science Foundation of China under Grant No.60173039(国家自然科学基金)the Special Foundation of 985 Project of SUN YAT-SEN University of China (中山大学985工程专项资金)
