本世纪50年代至今，人类社会进入了全面信息化阶段，以电子计算机技术为先导的当代信息技术大大提高了人类信息生产、存储和传递的能力，使许多国家进入了信息化社会。80年代，从日本的“第5代计算机计划”到美国的“战略防御设想”，从欧洲的“尤里卡计划”到中国的“863计划 Since the 1950s, human society has entered a stage of full informationization. The contemporary information technology, led by electronic computer technology, has greatly enhanced the ability to produce, store and transmit human information and has enabled many countries to enter an information society. In the 1980s, from the “5th Generation Computer Project” in Japan to the “Strategic Defense Assumption” in the United States, the “Eureka Plan” in Europe to the “863 Program” in China