石油天然气专业代码，是自己开发的，在Windows系统下VC平台上实现，主程序用C和C++实现。此程序用来实现双平方根算子地震波偏移。-Oil and gas professional code, is a self-developed, under the VC in the Windows system platform to achieve, the main program using C and C++ implementation. This procedure is used to achieve the double square-root operator seismic migration.