任意速度模型中地震波走时计算。功能强大，精度可靠，速度快，尤其三维速度结构比较好。-Arbitrary velocity model calculated travel time of seismic waves. Powerful, reliable and fast, especially three-dimensional velocity structure better.

计算机潮流计算 应用的是牛拉法， 使用比较简单，适合所有网络-Computer application flow calculation is cattle Rafah, the use of relatively simple, suitable for all networks

计算光波导模式，详细内容请见附件包里的文件-waveguide mode