logical OR逻辑或logicaladj.符合逻辑的；逻辑上的；合理的logical constructionism逻辑结构主义logical unit designator逻辑部件命名符logical circuit operator逻辑线路算符, 逻辑线路算子logical file maintenance逻辑文件维护logical record processor逻辑记录处理程序logical network topology逻辑网络拓扑logical field descriptor逻辑字段说明符logical file environment逻辑文件环境logical connection layer逻辑连接层logical data base record逻辑数据基记录,逻辑数据库记录