information gap信息差距informationn.信息；情报；资料；通知information and management major信息管理专业information communication system信息通信系统Information and Direction Center情报与指挥中心information - seeking dialogue信息寻求对话information-gaining preference信息获得偏好information intermediary service信息中介服务Information Systems Internetting信息系统网络Informationization of rural area农村信息化Information Exchange Requirement信息交换要求information resources of library图书馆信息资源