“relational database”概念、定义、翻译-科学时代

单词	relational database
释义	测绘学词汇手册 relational database 关系数据库
随便看	square serif square set square-set stoping square shoulder square-touch square vase square wave square wave square wave square wave square wave amplifier square wave analyzer square wave carrier square wave inverter square-wave modulation square-wave pulse square wave voltage square well（potential） square wing square yard squariance squaring squaring squaring for transfer squaring the circle

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。