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1·The architectural purpose of arcading, apart from introducing additional richness into the design, is to confer sufficient visual strength to permit a much wider column spacing.

拱廊的建筑学用处，除了丰厚设计内容，也是为了给很宽的柱间距在视觉上提供足够的力度。

(1)shopping arcade购物商场；商店街，商场部

(1)arcade game电脑游戏（游乐场的）