“奥陶纪”的概念、定义、翻译、参考文献-科学参考

单词	奥陶纪
释义	奥陶纪 Encyclopedia 理学古生代释 Ordovician Period奥陶纪古生代第二个纪，约开始于4.85亿年前，结束于4.44亿年前。 Biology Ordovician奥陶纪
随便看	tailing sand tailings building materials products tailings dam tailings dam drainage tailings dam dust tailings dam dust suppression tailings density tailings discharge tailings disposal system tailings dry discharge tailings embankment tailings extraction tailings extraction of valuable components tailings filling tailings filteration tailings for agricultural use tailings having water tailings management of mineral processing plant tailings moisture tailings of antimonyores tailings of bauxites tailings of chromeores tailings of copperores tailings of ferrous metal ores tailings of goldores

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。