张拉整体理论上可以做到非常大的跨度，并且随着结构跨度的增大，其单位面积自重和造价的增加并不大。
Tensegrity structure can achieve very large span in theory and the unite area deadweight cost doesn't increase much when the span increases.
是提高滤速增加单位面积出水量和成倍提高截污能力，降低工程造价和减少占地面积最有效的途径。
Is to improve the filtration rate per unit area increases exponentially increase the amount of water and interception capabilities, reduce project cost and most effective way to reduce the footprint.
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