Until the 1990s, the area consisted of low-rise "Shikumen" or typical Shanghai stone-arched gate houses in narrow alleys.
在1990年代之前，这个区域由低矮的“石库门”所组成，所谓石库门是窄巷中典型的上海式石拱门楼。
The whole building is raised above its site on fins of concrete, featuring arched, triangular and rectangular cutouts that allow visitors to use the area as a covered walkway.
整个建筑被混凝土的两翼托举到地面以上。混凝土结构设有拱形、三角形和矩形的开孔，允许参观者将这些区域作为走廊。
The arched hole is 2 to 10 percent of the damping piece in area.
所述拱形孔占减震片的面 积百分比为2-10％。
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