【Key words】 Technology Spillover； Assimilation Capacity； High-Tech Industry； R&D Intensity； Knowledge Stock；
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R&D intensity 研发强度 ; 研发力度
R& D intensity 研发强度
intensity of R&D 研发强度
input intensity of R&D 科技投入强度
The research results reveal that enterprise ownership system, intensity of R&D project input, firm colony structure, industrial firm clusters have significant relation ship with the efficiencies.
研究结果表明，企业制度、研发项目投入强度、企业群体结构和产业集群对区域技术创新效率有显著影响。
R & D intensity needs to imply;
研发强度仍需提高；
The R&D budget and R&D intensity is the important index that measures the R&D activities.
投入强度是衡量企业研发活动的重要指标。
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