台塔，又称帐塔，是一种多面体，是透过接和两个平行的多边形面，一面作为顶面，另一个边数是前者的两倍之多边形做为底面，然后侧面由四边形和三角形接合所产生的多面体称为台塔。
到2010年底，将有多达300000台塔塔nano穿行于印度的大街小巷。
By the end of 2010 there could be as many as 300,000 Tata Nanos on India's roads.
与此相比，丹佛的公园保留了一个机场指挥台塔，“大公园”则将把一座飞机棚改造成一个博物馆，并且保留飞机跑道的大致轮廓。
By contrast, Denver's park preserves a control tower, and the Great park will convert a hangar into a museum and retain the outline of a runway.
大多数电视台都会在转换过程中使用备用天线，从发射塔卸下老式的模拟天线，而代之以新的数字天线塔杆。
Most television stations will use backup antennas during the transition while their old analogue ones are taken down from their towers and replaced with new digital masts.
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