基金This work was supported by the Knowledge Innovation Project (No. KSCX2-SW-304) the Western Light Project of the Chinese Academy of Sciences, and the Collaboration Project between Chinese Academy of Sciences and Tibet.
基金安徽省自然科学基金(the Natural Science Foundation of Anhui Province of China under Grant No.03046102)浙江教育厅资助科研课题(the Research Project of Department of Education of Zhejiang ProvinceChina under Grant No.20050718)