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。