“蓟县系”的概念、定义、翻译、参考文献-科学参考

单词	蓟县系
释义	蓟县系 Encyclopedia 理学蓟县系释 Jixianian System蓟县系中元古代蓟县纪（距今16亿～14亿年）这一时期形成的地层。
随便看	National Library of Peru National Library of Russia National Library of Singapore National Library of South Africa national license national life table national list of hazardous wastes National Literature National Livestock Station National Magazine Awards National Main Functional Area Planning national main functional area planning National Major Marine Functional Zoning Plan National Management Case Elite Competition national manufacturing innovation center National Marine Ecology Special Protected Area for Oyster Reef in Dashentang, Tianjin National Marine Fisheries Service National Marine Park for Hailing Island in Guangdong National Marine Park for Juehua Island，Liaoning National Marine Park for Maoweihai in Qinzhou, Guangxi National Marine Park for Qing'ao Bay in Nan'ao，Guangdong National Marine Park for Tateishi in Suizhong，Liaoning National Marine Park in Penglai，Shandong National Marine Park in Xiamen National Marine Park of Shengsi in Zhejiang

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。