地震正演程序，在已有的数值地质模块基础上采用正演模拟公式来对地震波在地下的传播进行模拟，相对描述出地下地层岩性情况。-Seismic forward procedure, the values have been adopted on the basis of geological block formula for forward modeling of seismic wave propagation simulation in the ground, and the relative d