When the fluidized bed is in the structural style of a supporting plate and an air bag, the supporting plate can be a concave arc.

流化床为支撑板加气囊袋结构形式时，支撑板可为凹弧形。

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Accordingly, the structural style, dimensions and the arrangement of prestressed reinforcements of the flume are proved to be reasonable.

依此，证明所采用的渡槽结构型式及尺寸，预应力筋的布置方案是合理的。

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Based on the structural style analysis, the basin property and regional tectonic background of the southern North China basin are discussed.

在此基础上，由点及面地深入研究了该地区盆地性质和区域构造背景。

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And what I fear is that the Great Recession has moved the US towards European levels of structural employment, without any kind of Euro-style social safety net.

FORBES: The Rise in Structural Unemployment in the US Recession