城市蔬菜供需平衡问题的优化研究

Optimization researchon balance between supply and demand of vegetables in a city

在对兰州市蔬菜产、供、销历史与现状进行研究，并对其供求关系进行定量分析及预测的基础上建立了兰州市蔬菜供需平衡的线性规划优化模型。通过求解得到了商品菜基地建设和蔬菜调出量、调入量的优化安排，以期达到蔬菜供应的最佳经济效益与社会效益。

Bv diagnosing the history and present conditions of production,supply and sale of the vegeta-blee in Lanzhou,this paper analyses and forecasts the supply and demand of vegetables, constrticts thelincar optimization model of the balance between supply and demand of vegetables,obtains the optimumplan of the vegetable base,the amount of exportable vegetables and importable vegetables.