Diffraction direction of a ray passing a crystal for symmetrical or asymmetrical reflection is calculated from the vector form of Laue diffraction equation.
根据劳厄衍射方程的矢量形式计算光线经对称或非对称晶体衍射后的方向。
3
An appearance of seismic data as a diffraction, reflection, refraction or other similar feature produced by an arrival of seismic energy.