For the two-dimensional horizontal wave propagation problem, refraction and diffraction of waves must be taken into account.
对于平面二维波浪传播的问题，则需要考虑波浪的折射、绕射。
Parabolic mild slope equation and modified mild slope equation are applied to solve refraction diffraction of waves over twain circular shoal.
使用抛物型缓坡方程和修改抛物型缓坡方程研究了双圆形浅滩地形的波浪折射绕射。
An analytical solution is obtained for the diffraction of strong detonation waves by a stationary two-dimensional thin airfoil.
本文研究平面强爆震波对静止的零攻角二维对称薄翼的绕射问题，并求得解析解。
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