逻辑: logic数据: data; record; information号: howl; yell逻辑数据基: logical data base逻辑数据库: logic base; logical data base; logical database逻辑数据码: logical data number逻辑数据项: logical data item逻辑数据传输: logical data transfer逻辑数据传送: logical data transfer逻辑数据单元: ldu logical data unit逻辑数据结构: logic data structure; logical data structures逻辑数据库名: logical database name逻辑数据类型: logic data type; logical data type逻辑数据流图: logical data flow diagram逻辑数据描述: logical data description逻辑数据模型: ldm logic data model; logic data model逻辑数据通路: logical data path多逻辑数据存储器: multilogic data store局部逻辑数据模型: local logical data model逻辑数据独立性: logic data independence; logical data independence逻辑数据基记录: logical data base record逻辑数据库定义: logic base definition; logic database definition; logical database definition逻辑数据库记录: logical data base record; logical database record逻辑数据库结构: logical database structure逻辑数据库描述: logical database description