信息高速公路 自40年代中期计算机问世以来,在全世界范围内兴起的第一次信息革命对人类社会产生了空前的影响,信息产业应运而生,人类迈向信息社会。以信息技术为基础的产业已占发达国家国内生产总值的一半以上。 为迎接21世纪的挑战,争夺高新技术发展优势,美国、日本、欧共体等国家正在雄心勃勃地规划适应信息时代的全国性信息网络。继美国总统克林顿1993年初提出 Since the advent of computers in the information superhighway in the mid-1940s, the first information revolution in the world has had an unprecedented impact on human society. The information industry came into being, and people are moving toward an information society. Information technology-based industries have accounted for more than half of the developed countries’ GDP. In order to meet the challenges of the 21st century and compete for the advantages of high-tech development, the United States, Japan, the European Community and other countries are ambitiously planning a nationwide information network adapted to the information age. Following the U.S. President Clinton put forward in early 1993