“泥盆纪”的概念、定义、翻译、参考文献-科学参考

单词	泥盆纪
释义	泥盆纪 Encyclopedia 理学古生代释 Devonian Period泥盆纪古生代的第四个纪，在志留纪之后，石炭纪之前。约开始于4.19亿年前，结束于3.59亿年前，持续时间约0.6亿年。泥盆纪时期形成的地层称泥盆系(Devonian System)。 Biology Devonian泥盆纪
随便看	undrained shear strength undriven camera undue performance by a delinquent debtor undulata undulated beam injector undulating membrane undulating number undulation undulator undulatory undulatory property undulatory theory undulatory theory, wave theory unduloid undulose extinction/undulatory extinction undyed silk UNEA unearned premium reserves unearthed Uneasy Virtue UNECA unemployment unemployment benefit unemployment insurance Unemployment Insurance Act of 1940

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。