用于处理电力系统中含有4个节点的随机潮流计算,Four nodes to deal with the random flow calculation

利用Em算法进行图像分割的代码，可以运行，代码简短清晰，有利于初学者，希望对你有用-Em algorithm using image segmentation code, you can run, code clear brief will help beginners, in the hope that useful to you

库存管理系统，适合各个行业的商品库存地有效管理工作。-Inventory management system, suitable for all sectors of the commodity stocks and effective management.