由于定位-车辆路线问题是组合优化问题中一个典型的NP难题，大规模时难以精确求解。
It is difficult to solve in large scale because the LRP is a typical NP-hard problem in combinatorial optimization.
在分析车辆路径问题(VRP)现有启发式算法的基础上，建立了考虑路线安排的物流配送方案模型，并提出了求解该问题的一种改进遗传算法(IGA)。
Based on the analysis of the existing heuristic algorithm for the vehicle routing problem (VRP), a distribution model relevant to route arrangement was established.
在分析车辆路径问题(VRP)现有启发式算法的基础上，建立了考虑路线安排的物流配送方案模型，并提出了求解该问题的一种改进遗传算法(IGA)。
Based on the analysis of the existing heuristic algorithm for the vehicle routing problem (VRP), a distribution model relevant to route arrangement was established.
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