Experiments have validated the method. The deflected degree is called equivalent offset Angle.

在实验中证明此方法的正确性，此角度称为等值偏置角。

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For different diffracted wavelengths, there are corresponding different equivalent offset angles. Finally the variation rule of equivalent offset Angle with diffracted wavelength is given.

对于不同数值的衍射波长，有不同的等值偏置角，最后给出了等值偏置角随衍射波长的变化规律。

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