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当前，以现代信息技术为主体的知识经济的兴起加速了全球信息网络化的发展趋势，计算机数字化、交互化技术的发展已经触及到社会的各个角落，并已通过国际互联网络与全球经济发展连接起来。互联网络目前已发展成涵盖广泛的高科技信息载体，并成为人们搜取信息的重要途径，但信
At present, the rise of knowledge-based economy with modern information technology as its mainstay accelerates the development trend of global information network. The development of computer digitization and interactive technology has touched every corner of society and has been connected with the global economic development through the Internet stand up. The Internet has so far been developed to cover a wide range of high-tech information carriers and has become an important avenue for people to access information, but the letter