杨氏双缝、菲涅耳双棱镜、双面镜以及劳埃镜等实验测定光波波长时，均是用测量干涉条纹宽度法。
The wavelengths are determined usually by measuring the widths of interference fringes in many experiments such as Young's slits, Fresnel biprism, bimirror and Lloyd's mirror etc.
与叠栅条纹在传统测量领域中的处理方法不同，提出了求叠栅条纹宽度的两种方法：拟合斜率法和距离平均法。
Different from moire fringes processing methods in traditional measurement fields, two new methods were advanced to get moire fringes width, fit-slope method and distance-mean method.
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