In vertical, differential deformation occurred under compressional stress because of different anti-strain capacities in tectonic deformation zones, which result in tectonic variation.
纵向上，因上、下构造变形层抗应变能力的不同，在挤压应力作用下发生差异形变，产生纵向变异；
The differential deformation between vertical structural members of the Shanghai Tower can cause secondary internal forces in horizontal structural members.
上海中心大厦在长期荷载作用下结构竖向构件间的差异变形会在水平构件中产生较大的次内力。
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