“precambrian”的概念、定义、翻译、参考文献-科学参考

单词	precambrian
释义	precambrian 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	dipole radiation dipole source dipole subsurface scattering model dipole term dipole transition Diponegoro’s Revolt dipotassium tetracarbonyl ferrate dip pen nanolithography dip-pen nanolithography Dipper dippers dipping dipping slot wave seismometer dipping，pressing and shredding joint machine dippy egg product dipropyl maleate diprotic acid di proton di-proton diproton di proton emission di-proton emission dipseudograph dip-soldering dipterocarp family

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。