The urban technology innovation system is an important driving force of urban development, this article evaluates the construction degree of Dalian' technology innovation system form four aspects: Organization construction, market mechanism, power mechanism and support system. First, based on these four aspects the author establish an evaluation index system; Second, build the evaluation model of the construction degree of Dalian' technology innovation system; finally, use the result of survey carry on a case study of Dalian's technology innovation system.
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