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基于装备研制费用风险分析，引入Shannon熵值作为度量投标方案费用风险的数量指标．定义投标方案费用风险度，构造了带费用风险度的投标方案评估函数，提出一种基于费用的投标方案评优模型．
Based on the risk analysis of equipment development expenses, the Shannon entropy value is introduced as a quantitative measure of the cost risk of the bidding scheme. The cost of the bidding scheme is defined, the evaluation function of the bidding scheme with cost risk is constructed, and a cost-based bidding scheme evaluation model is proposed.