波场正反演代码，包括频率域有限差分和基于局部优化方法的反演，并且利用MPI平台并行计算-Wave field modeling and inversion code, including the frequency domain finite difference methods of inversion based on local optimization and parallel computing using the MPI platform

二维声波方程时间二阶，空间10阶交错网格正演模拟-Forward modeling of two-dimensional acoustic wave equation time order, space 10 order staggered grid