2.1联机检索( online search) The process of locating specific pieces of info from one or more databases that reside/ on the computers(hosts). The search is a true interaction between you and search system 主机 据库 微机 WAN 检索终端 通信网络联机检索中心 Feature: interaction. rea time remote, Direct Internet5 通信网络 联机检索中心 检索终端 数据库 2.1 联机检索(online search) The process of locating specific pieces of info from one or more databases that reside on the computers(hosts). The search is a true interaction between you and search system. 主机 Feature: interaction, real time remote, Direct Internet 微机 WAN