“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]
随便看	projective closure projective collineation projective compactification projective cone projective configuration projective conic projective connected space projective connection projective coordinate projective coordinates projective coordinate system projective correlation projective correspondence projective cover projective covering projective curvature projective curvature tensor projective curve projective deformation projective design projective determinacy projective determinacy axiom projective determination projective differential geometry projective dimension

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。