【摘要】 科技兴市信息网和ＣｈｉｎａＩｎｆｏ资源系统的建设与发展分别代表了信息服务从传统到联机以及从联机到Ｉｎｔｅｒｎｅｔ两次飞跃的历程。在这两次飞跃中，信息服务的增值作用得到了增加和扩展，使得用户更快捷、方便地得到更丰富、全面、准确的信息。更多还原

【Abstract】 Information Net for Boosting Cities through S&T and ChinaInfo Engineering are models of two generations network information service system,they represent twice leaps of information service——from traditional information service to online information service and from online information service to network information service based on Internet,through these leaps,value added process of information service is enhanced and expanded,so users can get better service.更多还原