求翻译：研究构建成本最小化的冷链物流配送车辆路径问题的数学模型,具有重要的理论和实践意义。 在物流配送管理中,合理选择配送路线,是控制物流成本的关键。是什么意思？

Minimize the cost of building a cold chain logistics and distribution vehicle routing problem of mathematical models, has important theoretical and practical significance. In logistics and distribution management, a reasonable choice distribution line, the key is to control logistics costs.

Built for the study of the cold chain logistics vehicle path issues of mathematical models and are of an important theoretical and practical significance. The logistics and distribution management, reasonable choice is to control the delivery routes, and the key logistics costs.

The research construction cost minimum cold chain physical distribution allocation vehicles way question mathematical model, has the important theory and the practice significance. In the physical distribution allocation management, chooses the allocation route reasonably, is controls the physical d

Study on constructing minimum cost for cold chain logistics distribution vehicle routing problem with mathematical models, is of great theoretical and practical significance. In the management of logistics and distribution, rational selection of delivery route, is the key to control logistics costs.

Minimize the cost of building a cold chain logistics and distribution vehicle routing problem of mathematical models, has important theoretical and practical significance. In logistics and distribution management, a reasonable choice distribution line, the key is to control logistics costs.