The structural core of the project is a raised flooring system with a series of columns and a ring beam on the top for stability.

项目的结构核心部分是一个抬高的顶棚系统，附带依次排列的圆柱以及置于其上用来增强稳定性的一根圆形横梁。

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A steel frame situated around a building's core or along exterior walls offers structural support.

位于建筑核心或外墙旁边的钢架提供了结构支持。

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A woman and her daughter touch a structural model of the earth's core at Nanjing Geological Museum in Nanjing, Jiangsu province, on April 22, 2011.

在江苏省南京地质博物馆，一个女人和她的女儿触摸地球的核心结构模型，摄于4月22日2011年。

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Bart Sullivan, a senior vice president at WSP Cantor Seinuk, a firm that handles engineering for buildings like One World Trade Center, says building a residential skyscraper is generally more challenging than building a tall office building, partly because residential buildings have fewer internal columns and other core structural elements.

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Embedding the structural support in the core made it possible to cantilever the roof and thus wrap a glass facade around the building, using vast expanses of insulated, triple-pane glass and mahogany mullions.

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The core economies have deep structural problems and the world economy is in a state of disequilibrium, says Jan Dehn, an economist at Ashmore Group in the U.K. Ashmore has its hands in emerging market debt.

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