中文说明：
带有时间窗的车辆路径安排问题（VRPTW问题）
车辆路线问题（VRP）最早是由Dantzig和Ramser于1959年首次提出，它是指一定数量的客户，各自有不同数量的货物需求，配送中心向客户提供货物，由一个车队负责分送货物，组织适当的行车路线，目标是使得客户的需求得到满足，并能在一定的约束下，达到诸如路程最短、成本最小、耗费时间最少等目的。
English Description：
Vehicle Routing problem with time window (VRPTW issues) VRP was first proposed by Dantzig and ramser in 1959. It refers to a certain number of customers, each with different quantity of goods. The distribution center provides goods to customers, and a team is responsible for distributing goods, organizing appropriate driving routes. The goal is to make the customer's needs meet and to achieve such a distance under certain constraints, such as distance The purpose of the shortest, the minimum cost and the least time consuming.