This paper discusses a new spatial structure-composite grid slab column structure, which is designed to transform single way force into two-way force to form a spatial forcing system.
现讨论一种新型空间结构—组合式网格板柱结构,它使单向受力变为双向受力,从而形成三维受力体系。
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The human visual system can represent an object's spatial structure by using multiple frames of reference. It can also utilize multiple reference frames to mentally transform such representations.