The modeling of above-ground structures shall apply the simulation construction algorithms of external tridimensional predefined physical model.

地表建筑物模型构建采用外部三维预定义实体块模型模拟构建算法。

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On the flip side, above-ground bunkers, rather than those built underground, are often handsomely proportioned, neoclassical structures.

WSJ: New Lives for Nazi-Era Bunkers