中文说明：
基于蚁群算法的物流配送问题：研究如何规划各车辆的路径及任务分配，使得在不违反时间窗的前提下，总走行成本（距离）最少。
English Description：
Logistics distribution problem based on ant colony algorithm: This paper studies how to plan the path and task allocation of each vehicle, so as to minimize the total travel cost (distance) without violating the time window.