拱在结构上比梁柱结构要有力的多，因而能合适更大的跨度。
An arch is structurally of much greater strength than corresponding beam and column construction, and thus accommodates a greater span.
餐厅采用了方形的钢梁柱结构，根据委托人以类似的方式建造的温室花园意向图，对窗户进行了重新改造。
Framed by square-profile steel beams, the structure is built from repurposed windows, based on photographs from customers who have built their own greenhouses in a similar fashion.
早在公元前1000年，木结构就成为古代埃及和希腊的基本梁柱结构形式，在古罗马则有着成熟的木桁架技术。
In 1000bc, there came post and beam buildings to form the main wood structure in ancient Egypt and Greece and there were mature wood trusses in Rome.
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