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信息化是当今世界经济和社会发展的大趋势,以网络技术和多媒体技术为核心的信息技术已成为拓展人类能力的创造性工具。为了适应这个发展趋势,
Informationization is the general trend of economic and social development in the world today. Information technology with network technology and multimedia technology as the core has become a creative tool for expanding human capabilities. In order to adapt to this trend of development,