中文说明：ACO系统用于解决CVRP，车辆路径问题容量受限，它只需要31个城市，其最佳结果是801，而最著名的是784，它还需要进一步的改进
English Description：
ACO system for solving the CVRP, the vehicle routing problem capacity constrained, it takes only 31 cities, and its best result is 801, while the best known is 784, it needs more improvements