By utilizing the project analysis on DEA efficient frontier,the adjustment quantity of inefficient DMU input indexes are ensured,and it can provide reliable basis for optimizing materiel cost scale.

• 最后利用决策单元在相对有效前沿面上的投影分析,明确了非有效单元投入指标的调整量,为优化装备费用规模提供决策支持。