“sluice and culvert in ancient China”的概念、定义、翻译、参考文献-科学参考

单词	sluice and culvert in ancient China
释义	sluice and culvert in ancient China Encyclopedia 工学中国水利科学技术史释 sluice and culvert in ancient China中国古代闸涵古代水闸。又称水门、斗门、陡门、牐或碶，是建在河床或河湖岸边用闸门控制水位、取水或泄水的建筑物。古代涵洞，又称水函、水窦，是埋在填土（主要是堤防或堤岸）下面的过水建筑物。
随便看	covering dimension covering domain covering element covering epithelium covering family covering functor covering group covering homomorphism covering homotopy covering homotopy axiom covering homotopy property covering homotopy theorem covering isotopy covering lemma covering Lie group covering linkage invariant covering manifold covering map covering number covering of a group covering of a manifold covering of a plane covering of a set covering of a space covering of a surface

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。