“寒武系”的概念、定义、翻译、参考文献-科学参考

单词	寒武系
释义	寒武系 Encyclopedia 理学寒武系释 Cambrian System寒武系全球标准年代地层的系级单位，显生宇和古生界的第一个系，是距今5.41亿～4.85亿年前地史时期地球上形成的全部地层，地层位置在埃迪卡拉系之上，奥陶系之下。
随便看	guard guard bit guard cell guard column guarded commands guard hair guardian Guardian Council of the Constitution guardian horseshoe bat guardian of actor throat guardian responsibility guardianship guarding guarding against the barbarians or the foreigners guarding digit guarding figure Guarding the Nation·Visiting the Royal Tomb·Entering the Palace for the Second Time guard rail cleanout vehicle guardsman guard tour system guar fracturing fluid guar gum regulator Guatemala Guatemala City Guatemalan Art

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。