“city wall”的概念、定义、翻译、参考文献-科学参考

单词	city wall
释义	city wall Encyclopedia 工学中国古代建筑类型释 city wall城池围绕城邑建造的一整套防御构筑物，以闭合的城墙为主体，包括城门、墩台、楼橹、壕隍等。也指边境的防御墙和大型屯兵堡寨。工学中国古代建筑类型释 city wall城墙古代为防守而建在城市四周的墙。古代称墉，断面为梯形。
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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。