“寒武系”的概念、定义、翻译、参考文献-科学参考

单词	寒武系
释义	寒武系 Encyclopedia 理学寒武系释 Cambrian System寒武系全球标准年代地层的系级单位，显生宇和古生界的第一个系，是距今5.41亿～4.85亿年前地史时期地球上形成的全部地层，地层位置在埃迪卡拉系之上，奥陶系之下。
随便看	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 unitary modular group unitary module unitary multiperfect number unitary multiplet unitary multiplicative character unitary operator unitary organism unitary perfect number unitary polarity group unitary positive operator unitary projective representation unitary reflection unitary representation unitary representation of locally compact groups unitary representations of locally compact group

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