“永济渠”的概念、定义、翻译、参考文献-科学参考

单词	永济渠
释义	永济渠 Encyclopedia 理学永济渠释 Yongji Qu永济渠中国隋炀帝大业四年（608）为便利河北地区军事运输开凿的运河。
随便看	graph diameter graph difference graph directrix graph distance graph distance matrix graph eccentricity graphechon graphecon graph edge graph eigenvalue graph embedding grapheme graphene graphene-biopolymer composite materials graphene electrode graphene fiber graphene field effect transistor graphene-like graphene material graphene materials graphene nanocomposites graphene oxide graphene photoelectric detector graphene quantum dots graphene radio frequency device

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。