区域高技术产业R&D活动效率分析与评价——基于一种新型改进两阶段网络DEA模型
구역고기술산업R&D활동효솔분석여평개——기우일충신형개진량계단망락DEA모형
Analysis and Evaluation on Efficiency of Regional High-tech Industry R&D Activities——on the Basis of a New and Improved Two-stage Network DEA Model
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