matpower环境下进行潮流计算，将潮流计算的导纳矩阵析出，然后编程实现雅克比矩阵的计算。- Under matpower environment flow calculation, the admittance matrix flow calculation of precipitation, then programming Jacobi

windows control 网络流量察看,可以查看某一时间段内的下载流量(Windows control network traffic to see, can see the download flow within a certain period of time)

网络流量察看,可以查看某一时间段内的下载流量(Network traffic view, you can view the download flow within a certain period of time)