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介绍了利用数字摄影方法测定钢结构的中心轴线变形的试验工作 ,以此可解决普通测量方法难以解决的精确、瞬时测量钢结构中心轴线变形的问题
This paper introduces the experimental work of measuring the deformation of the center axis of the steel structure by the method of digital photography, so as to solve the problem of accurately and instantaneously measuring the deformation of the central axis of the steel structure which is difficult to be solved by ordinary measurement methods