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本文介绍应用平面光弹性试验和三应变片电测外推法。测定中心有圆孔的有限宽正交异性弹性拉板的应力集中系数。经比较，二者的数据相当吻合，表明这二种方法都是有效的。
This article describes the application of planar photoelasticity test and three strain gauge electrical measurement extrapolation. The stress concentration factor of a finite wide orthotropic elastic plate with circular holes in the center of measurement. After comparison, the data of the two are in good agreement, indicating that both methods are effective.