“proterozoic eon”的概念、定义、翻译、参考文献-科学参考

单词	proterozoic eon
释义	proterozoic eon Encyclopedia 理学元古宙释 proterozoic eon元古宙介于太古宙与显生宙之间的一级地质年代单元。
随便看	mixed density mixed derivative mixed design mixed designs mixed development mixed differential equation mixed differential operator mixed differential parameter mixed direction vector mixed discrete and continuous eigenvalue spectra mixed dislocation mixed distribution mixed domain mixed dominant game Mixed Doubles' Curling mixed dystrophy mixed economy mixed effects model mixed-effects model mixed election system mixed element mixed ensemble mixed erosion mixed explosive mixed exterior algebra

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。