“瓮城”的概念、定义、翻译、参考文献-科学参考

单词	瓮城
释义	瓮城 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。工学〔宋-清﹞释 None瓮城城墙在城门口处加筑的小城。又称甕城。
随便看	counter electromotive force counter E.M.F. counter emf counter-evolution counterexample counter-factivity counterfactual counterfactual history counterfactual thinking counterfeit coin problem counterfeit drugs counterfeiting counterflow counter-flow flame counter force counterforce counterfort retaining wall counterglow counter-gravity casting counter guarantee counter-hijacking operations command counter-image Countering Lights counter ion counter-ion

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。