关系数据库系统
relational database systems
RDBMS
RDBMSrelational database system
RDMS
空间关系数据库模型
Geo-relational Database Model
历史关系数据库
HRDB
historical relational database management system h
模糊关系数据库
fuzzy relational database
fuzzy relational databases
Fuzzy Relational DataBase FRDB
嵌套关系数据库
nesting-relation-oriented data model database
Nested Relational DB
输水系统数据库软件
data base software of shiplock’s filling and empty
data base software of shiplock′s filling and emptying system