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The formulas for strain quantity and fringe spacing on the basis of Bragg equation are derived. The relationship between fringe deformation and internal flaws is analysed.
本文利用轮胎受荷前后表面反射光波的干涉原理，从布喇格方程出发，导出了干涉条纹间距与变形量的关系式，分析了内部缺陷与条纹畸变的关系。
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