中文说明：这是一个关于双向介质瑞雷面波的正演模拟，效率非常的高，程序中用了衰减吸收边界条件，效果非常的好
English Description：
This is a forward simulation of Rayleigh wave in two-way medium. The efficiency is very high. The attenuation absorption boundary condition is used in the program, and the effect is very good