“object-relation database”的概念、定义、翻译、参考文献-科学参考

单词	object-relation database
释义	object-relation database Encyclopedia 理学数据库系统释 object-relation database对象-关系数据库基于对象-关系数据模型，通过支持复杂数据类型扩充关系模型。
随便看	vector bundle mapping vector bundle on curves vector bundle on surfaces vector bundle tensor product vector calculus vectorcardiogram vector chart vector circulation vector coding vector cohomology vector computer vector control inmilitary vector control of co-current vector control of synthetic jet vector correlation vector correlation coefficient vector couple vector coupling vector coupling coefficient vector-coupling coefficient vector criterion vector cross product vector current vector d vector data

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。