“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	unitary dual unitary eigenvector unitary element unitary equivalence unitary evolution unitary fermi gas unitary frame unitary gauge unitary geometry unitary group unitary group representation unitary homomorphism unitary ideal unitary induced representation unitary integral equation unitary invariant unitary irreducible representation unitary isomorphic unitary kernel unitary left module unitary linear operator unitary linear transformation unitary mapping unitary matrix unitary matrix model

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