搜索结果: 1-1 共查到“科学技术史 Ancient arches”相关记录1条 . 查询时间(0.109 秒)
May 16, 2007，"As hangs the flexible line, so but inverted will stand the rigid arch." This dictum on structural forces, formulated by Robert Hooke in 1675, remains the basis for understanding both sus...