“关系代数”的概念、定义、翻译、参考文献-科学参考

单词	关系代数
释义	关系代数 Encyclopedia 理学数据库系统释 relational algebra关系代数一种抽象的关系数据语言，它通过对关系的运算来表达查询。 Mathematics algebra of relations关系代数 relation algebra关系代数 relational algebra关系代数 relationship algebra关系代数 Computer 数据库数据库理论释文 relational algebra关系代数
随便看	permanent calendar permanent cardiac pacemaker permanent cathode process permanent chemical modifier permanent computation Permanent Conference of Political Parties in Latin America Permanent Court of International Justice permanent current permanent deformation permanent dipole permanent display permanent display at Shanghai Museum permanent exhibition Permanent Exhibition at Northeast Museum permanent exhibition hall permanent ferrites permanent filling materials and concerned materials permanent grazing land permanenthigh-intensity magnetic drum separator permanenthigh-intensity magnetic roll-beltseparator Permanent International Association of Navigation Congress permanent international migration Permanent Inter-state Committee on Draught Control in the Sahel, CILSS permanently convergent series permanent magnet

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。