fortran语言的双层结构球散射模型，可以作为三层结构球模型的参考-Double-layer structure scattering model, FORTRAN three-layered ball model can be used as a reference

fortran语言的球谐函数离散坐标法大气传输模型主程序，可用于大气场景生成-FORTRAN， spheric harmonic function of the discrete coordinate method main program, the atmospheric transmission model can be used for the atmospheric scene is generated

SPH新型数值方法，作为下一代数值模拟的新方法，光滑粒子流体动力学（SPH）源程序，采用Fortran语言编写，用于计算可压缩流体力学问题-SPH model numerical method, as a new method for the next generation of numerical simulation, smooth particle hydrodynamics (SPH) source code, written using FORTRAN for calculation