“1∶50000 database of geological map”的概念、定义、翻译、参考文献-科学参考

单词	1∶50000 database of geological map
释义	1∶50000 database of geological map Encyclopedia 理学地质调查数据库释 1∶50000 database of geological map1∶50000地质图数据库应用计算机技术、地理信息系统和数据库技术，将1∶50000区域地质调查工作中获取的基础地质成果资料（地质图、矿产图等）进行数字化形成的空间数据库。
随便看	frequency-shift track circuit frequency-size distribution frequency spectrum frequency stability frequency stability criterion frequency stability measurement frequency stabilization frequency stabilized laser frequency standard frequency standards frequency step frequency sweep mode frequency swept laser frequency switching frequency synchronization frequency synthesis frequency synthesized signal generator frequency synthesizer frequency table frequency theorem frequency theory frequency theory of probability frequency thermometer frequency transition frequency upconversion

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。