【摘要】 深入分析了重载扩能的资金运用问题，研究了解决问题所涉及的理论、方法和模型，确定了资金运用ＤＳＳ的功能、结构，提出了系统进一步的发展方向更多还原

【Abstract】 Be based on the clear research of task,the paper analysised the problem of the heavy-haul expand-capacity and utilization of the capital, and also study the theroies, methods and models, design the structure of the system ,and finally give the direction of further research.更多还原