writer intends to set up this model through pure integer linear programming . in the meantime , some useful and practical methods to control the cost are shared with readers in this paper.
通过分析已有的研究成果,并在这些研究成果的基础上,改进了以往的线性规划模型,利用纯整数现行规划的方法建立海运渡箱系统的优化模型。