国家自然科学基金批准号:51301004,U1330110、深圳科技研究基金批准号:JCYJ20140903102215536,JCYJ20150828093127698和香港城市大学应用研究基金批准号:9667122资助的课题.Project supported by the Natural Science Foundation of China Grant Nos.51301004,U1330110,the Science and Technology Research Foundation of Shenzhen,China Grant Nos.JCYJ20140903102215536,JCYJ20150828093127698,and the Applied Research Foundation of the City University of Hong Kong,China Grant No.9667122.