“urn city”的概念、定义、翻译、参考文献-科学参考

单词	urn city
释义	urn city Encyclopedia 工学中国古代建筑类型释 urn city瓮城围筑于城门外（或内）侧的小城圈。其上开有瓮城门，形状多为方形或圆形。
随便看	tree analysis method tree and tabular combined notation tree and tabular combined notation, TTCN tree approximation tree assortment Treebank tree bank treebank tree-based model tree breeding for wood improvement tree breeding procedure tree breeding zoning tree centroid tree class tree code tree-complete tree contraction technique tree culture tree decomposition tree decomposition and brambles tree depth tree diagram tree diagram approximation tree ducks tree extractives

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。