在建筑结构的设计与分析中，结构体系可靠度的概念和思想已日益为人们所接受，但它的计算却一直是一个难点问题。
The concept and idea of reliability of system has been accepted in the design and analysis of building structures, but its calculation is a difficult point all the while.
阐明了密肋壁板结构这一新型建筑结构体系的发展前景及产业化的可行性。
The prospect and industrialization feasibility of Multi-ribbed Slab Structure System is described, which is a new type of structural system.
沿着主要的高速公路线路，特别是洲际公路的国家体系，许多工程和建筑结构已经被用来提供休息的场所。
Much engineering and construction work has been done to provide rest stops along major expressway routes, especially the national system of interstate highways.
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