“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	zero factor zero field zero field cooling zero-field electronic splitting zero-field energy zero field operation zero field splitting zero-field splitting zero field splitting (ZFS) zero filling zero fixture zero form zero-free zero-free number zero-free region zero frequency zero function zero-g zero game zero-gap semiconductor zero gas zero generation image intensifier zero geodesic zero gradient synchrotron zero gravity

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。