Then, the mechanism of industrial cluster based on (the) R &D spillover is studied; we put forward three key elements and the (a) structure model.
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8本文緊接著(zhù)對基于R &D溢出的產(chǎn)業(yè)集聚機制進(jìn)行了研究,分析了其特點(diǎn),提出了產(chǎn)業(yè)集聚的三要素和結構化的模型。
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