The perimeter of the houses determines the inner space, which is thus disencumbered of all attributes of a classical house.

房屋的周长决定了内部空间的大小，并没有受到传统住房所拥有的属性影响。

youdao

The upper levels are organized with residences along the perimeter with views to the surroundings, while the communal functions are oriented toward the inner courtyard.

上层沿外圆周组织居住空间，可欣赏到周围环境，同时公共空间是面向内的庭院。

youdao

Topped with rolls of barbed wire, it doubles up in places to form both an inner and an outer perimeter, with a strip of concrete in between for guards to patrol along.

NPR: North Korea Nuke Test Could Test China's Patience

Inside the secured perimeter were several inner circles of fencing as well as barriers on both sides of roads where in most cases Chinese militia were standing every ten paces.

FORBES: An Afternoon Observing Anti-Japanese Demonstrations in Shanghai and Thinking "Whither Japan"

The weight of the building is supported entirely by 12 stout outer columns, which form the square perimeter of the building, plus four inner columns at the corners of a smaller, inner square.

ECONOMIST: AN ENGINEERING MYSTERY