Journal of Frontiers of Computer Science and Technology ›› 2011, Vol. 5 ›› Issue (3): 280-287.
• 学术研究 • Previous Articles
HU Zhengping, YANG Jianxiu
School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China
胡正平, 杨建秀
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