基金Projects (51101042, 51271064) supported by the National Natural Science Foundation of ChinaProject (HIT. NSRIF. 201131) supported by the Fundamental Research Funds for the Central Universities, China+1 种基金Projects (2012T50327, 2011M500653) supported by the China Postdoctoral Science FoundationProject supported by the Postdoctoral Science Foundation of Heilongjiang Province, China