“Cretaceous Period”的概念、定义、翻译、参考文献-科学参考

单词	Cretaceous Period
释义	Cretaceous Period 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）。
随便看	archival subject retrieval language archival technology arrangement archival transfer Archival Undertaking in Contemporary China archival utilization system archival value appraisal method archival-writing restoration technology Archivaria Archive Buildings and Equipment archive compiling and research archive documents of August 1 Nanchang Uprising archive file directory archive group archive management system of aviation industry archive recording archives archives acquisition Archives Administration Archives Administration and Records Management Studies Archives Administration Management Conspectus Archives and Manuscripts Archives and Manuscripts—— SAA Basic manual series Archives and Records Association archives and storeroom archives appraisal committee

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。