The Chinese Academy of Sciences(KSCX2-YW-Z-0925&O92441112F);the Ministry of Education of China through its 985 and 111 projects(MUC 98503-001006&B08044);the National Science Foundation of China(31070288);the Japan Society for the Promotion of Science(JSPS/AP/109080);the Ministry of Science and Technology of China(2008FY110400-2-2)