由于其自重小且经济美观，因此它被广泛地应用于大跨度空间结构中，如：大型运动场馆、会展中心、装饰小品等。
Because of its economy, beauty, and less dead weight, it is widely applied to large span structures, such as large-scale stadium, exhibition center, works of decoration, and so on.
从研究成果来看，平原城市的商业空间结构基本与中心地理论建构的“正六边形”相符；
Judging from research results, the commercial spatial structure of plain city adapts to "the positive hexagon" constructed by the central place theory .
本文以重庆市中心商业区空间结构为主要研究对象，在对其优化趋势的探求中，将商业活动的社会空间及商业活动的物质空间作为研究的重点。
This paper studies the spatial structure of shopping center in Chongqing, with the research in its optimization development. The study point is based on the societal space and commerce space.
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