使用aoe网络，输入工程，可添加删除边！并有保存和读取图的功能-Use aoe network, enter the project, you can add remove side! And has the function of saving and reading map

建立AVE网络，求关键路径，判断工程的可行性，并判断关键工程。-Establish AVE network, find the critical path, to determine the feasibility of the project, and determine the critical project.