“national mineral database”的概念、定义、翻译、参考文献-科学参考

单词	national mineral database
释义	national mineral database Encyclopedia 理学地质调查数据库释 national mineral database全国矿产地数据库利用现代信息技术提取矿产地信息，形成的带有空间信息属性的中国地质矿产地数据库。
随便看	covering design covering differentiable manifold covering dimension covering domain covering element covering epithelium covering family covering functor covering group covering homomorphism covering homotopy covering homotopy axiom covering homotopy property covering homotopy theorem covering isotopy covering lemma covering Lie group covering linkage invariant covering manifold covering map covering number covering of a group covering of a manifold covering of a plane covering of a set

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。