出处
《通讯和计算机（中英文版）》
2009年第6期31-35,共5页
Journal of Communication and Computer
基金
Acknowledgement： The work was supported by the National Natural Science Foundation of China （No. 60702056, No. 60841003）
the Young Researcher Programmed Foundation for Humanities and Social Science from Minister of Education, China （No. 06JC630007）
the University Natural Science Guidance Planning of Jiangsu Province （No. 08KJD580005）
the Automobile Engineering Key Laboratory Open Fund of Jiangsu Province （No. QC200705）.
