
自主研发、技术改造与技术引进生态关系研究——以中国高技术产业为例
The Enovation Ecology of R&D,Technology Renovation and Technology Import:The case of Chinese High-tech Industry
自主研发, 技术改造, 技术引进, 创新生态, Lotka-Volterra模型
R&D, Technology Renovation, Technology Import, Ecological Relationship, Lotka-Volterra Model
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