并在分析不同评价方法的基础上，选用费用效益分析方法来评价VMS的社会经济影响。
Based on the analysis of different methods, the paper chooses cost-benefit analysis to evaluate socioeconomic effect of VMS.
针对政策评价方法研究中的关键问题——如何进行政策的费用效益分析展开具体研究。
The most important problem is how to carry out the cost benefit analysis of policy.
接着设计了费用效益流量基本报表，探讨了敏感性分析的方法及局限性并对风险分析的方法与步骤进行了深入研究。
This paper designs basic report forms of cost's and benefit's flow, discusses the methods and the limitations of sensitivity analysis, and then studies the methods and steps of risk analysis deeply.
接着设计了费用效益流量基本报表，探讨了敏感性分析的方法及局限性并对风险分析的方法与步骤进行了深入研究。
This paper designs basic report forms of cost's and benefit's flow, discusses the methods and the limitations of sensitivity analysis, and then studies the methods and steps of risk analysis deeply.
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