基金Supported by the National Natural Science Foundation of China under Grant Nos.60702033 60772076 (国家自然科学基金)+3 种基金the National High-Tech Research and Development Plan of China under Grant No.2007AA01Z171 (国家高技术研究发展计划(863)the Science Fund for Distinguished Young Scholars of Heilongjiang Province of China under Grant No.JC200611 (黑龙江省杰出青年科学基金)the Natural Science Foundation of Heilongjiang Province of China under Grant No.ZJG0705 (黑龙江省自然科学重点基金)the Foundation of Harbin Institute of Technology of China under Grant No.HIT.2003.53 (哈尔滨工业大学校基金)