“前寒武纪”的概念、定义、翻译、参考文献-科学参考

单词	前寒武纪
释义	前寒武纪 Encyclopedia 理学前寒武纪释 precambrian前寒武纪地球形成之后，到寒武纪之前的地质时期。为一非正式地质年代术语，又称先寒武纪。 Physics precambrian前寒武纪[的]
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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。