拱化,是西夏毅宗李谅祚的年号,历时五年(公元1063—1067年)。
它也不象布尔日大教堂,不是那种华丽而轻浮、杂乱而多样的高耸入云的尖拱化建筑。
It is not, like the Cathedral of Bourges, the magnificent, light, multiform, tufted, bristling efflorescent product of the pointed arch.
通过模化试验对涡流拱特性进行了试验研究,分析了其工作机理,获得确定涡流拱最佳结构尺寸的要素。
Through modeling tests an experimental investigation was conducted of the features of the vortex arch along with an analysis of its working mechanism.
并用线性化的屈曲方程求解圆环和两铰圆弧拱在匀布径向力作用下的临界荷载。
The critical loads of rings and pined circular arches are calculated using the linearized buckling equations.
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