弹性波动方程正演程序，广泛应用于地震勘探开发阶段的正演模拟,Elastic wave equation forward procedure, widely used in seismic exploration and development phase of the forward modeling

声波方程的正演程序，注释非常清晰，并且可以显示正演波场快照。-Acoustic wave equation forward procedure, comments are very clear, and can display the forward wave field snapshot.