“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	prefactor prefeasibility study prefeasibility study for concentrator projects prefeasibility study of wind power projects prefect prefect of a superior prefecture prefectural administrative office prefectural cities from Song to Qing Dynasties prefectural examination prefectural graduate with highest honour prefectural-level annual military drill prefecture prefecture and state prefecture-based recruitment system prefecture records Prefecture,Subprefecture, Military and Industrial districts preferable preferable hypothesis preferable strategy preference preference-based disambiguation preference-based sensory evaluation preference for living arrangement preference function preference-indifference relation

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。