“chalcocite”的概念、定义、翻译、参考文献-科学参考

单词	chalcocite
释义	chalcocite Encyclopedia 理学硫化物矿物释 chalcocite辉铜矿硫化物矿物。化学成分为Cu2S，晶体属于正交（斜方）晶系。
随便看	definite linear form definitely divergent sequence definiteness definite operator definite problem definite quadratic form definite restriction definite sign definite S integral definite S-integral definite subspace definite - time definite time definition definitional domain definitional equivalence definitional identity definitionally equal definitional occurrence definition by abstraction definition by cases definition by extension definition by induction definition by mathematical induction definition by recursion

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