模型反演源码，共轭梯度寻优！fortran 源代码

fortran编写，处理椭圆数值解法问题-fortran prepared to deal with the issue of numerical solution of elliptic

单向 双向晶闸管的选型，做电源控制很有用-Triac Selection

对地震数据的S波相位进行拾取，可用于地震预警技术中心识别S波和P波信号相位，基于Fortran语言汇编(The S phase of seismic data is picked up and can be used for seismic warning technology center to identify the phase of S wave and P wave signal, which is based on Fortran language)