“白垩纪”的概念、定义、翻译、参考文献-科学参考

单词	白垩纪
释义	白垩纪 Encyclopedia 理学中生代释 Cretaceous Period白垩纪中生代最后一个纪（第三个纪）。约开始于1.37亿年前，结束于0.65亿年前。白垩纪形成的地层称白垩系（Cretaceous System）。 Biology Cretaceous白垩纪
随便看	general cayley algebra General Certificate of Education Advanced Level Examination General Certificate of Secondary Education Examination General Chai and lady balsam general channel general chart general chart of the sea general chronicles general circulation general circulation in China general circulation model general circulation of atmosphere general circulation of stratosphere and mesosphere general city general class general classification general climate regionalization General Collection of Jingming on Loyalty and Filial Piety General Collection of Qing Dynasty Proses general combining ability general community building general compact group General Confederation of Workers-Independent General Conference on Weights and Measures general construction

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。