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美国“信息高速公路”主干网──Ｉｎｔｅｒｎｅｔ美国“信息高速公路”主干网Ｉｎｔｅｒｎｅｔ诞生于１９６９年，１９８６年正式投入使用，是由美国政府出资将国家实验室和大学的计算机互连而成的网络。其宗旨是为教育、科研工作者提供先进的计算机网络环境，加强信息交...
The United States “information superhighway” backbone ─ ─ Internet US “information superhighway” backbone network Internet was born in 1969, officially put into use in 1986 by the United States government-funded network of national laboratories and university computers . Its purpose is for education, research workers to provide advanced computer network environment, to enhance information ...