“gold placer deposit”的概念、定义、翻译、参考文献-科学参考

单词	gold placer deposit
释义	gold placer deposit Encyclopedia 理学[贵金属矿床]释 gold placer deposit砂金矿矿床原生金矿床或含金的岩石，经风化作用剥离出的金系列矿物颗粒被流水搬运、富集而形成的矿床。是重要金矿床类型。
随便看	canonical formula canonical frame canonical function canonical function element canonical fundamental system canonical generator canonical height canonical homology canonical homology basis canonical homomorphism canonical hypersurface canonical image canonical imbedding canonical immersion canonical injection canonical integral canonical involution canonical kernel canonical linear connection canonical linear system canonical line bundle canonically associated bundle canonically bounded complex canonically bounded filtration canonically closed 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。