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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The structures of these places above the ground have long been destroyed, but the objects underground are still there.

如今，地上的建筑早已被兵火毁灭，但那些深藏地下的物品却被长久保留下来。

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Also, confirm the land boundaries and whether outdoor structures, like portable sheds and above-ground pools, will be included before you sign on the dotted line.

此外，在签名处签上你的大名前，确认好房子边界以及是否包括室外结构，如便携式棚屋和室外水池。

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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