“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	Songs of Yao Minority from Distant Mountains Song State Song Sui Song Tao Songtao irrigation district Songtao Miaozu Zizhixian Songtao Reservoir Songtao Shuiku Song Tianhu Song tomb Song typeface Song Wan Song Weibo Song Wencong Song Wenzhi Song Wu Song Xi Song Xian Song Xiang Song Xiangfeng Song Xiangru Songxian Pavillion Qin Score Songxi green tea Songxi Xian Song Xu

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。