rdbm relational data base managementrelation database management关系: relation; filiation; relatio ...数据库: data bank; data base; data p ...管理: manage; run; administer; sup ...关系数据库管理器: rdbm分配关系数据库管理系统: distributed relation database management system; distributed relational data base management system drdms下载手机词典可随时随地查词查翻译