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Its necessary conditions involve in the split of production process and the transportable of product, its sufficient conditions are longer value chain, heterogeneous competence between enterprises in clusters, network innovation and inconstant market environment. The paper provides accordance as judgment for government., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=xCYWPOSov7TwpdnBLPPYcA==, pdfFileSize=210855, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242118854160224289, articleId=1242118852679631472, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=产业集群形成的必要条件和充分条件, columnId=1242118191409856688, journalTitle=科技导报, columnName=科研管理, runingTitle=null, highlight=null, articleAbstract=认为产业集群的优势在于减少协调成本、提高效率和创新力,产业集群形成的必要条件为生产过程的可分拆性和产品的可运输性,充分条件则为集群的较长的价值链、集群企业异质的能力、网络创新和快速变化的市场,为集群政策和管理提供了一个较精确的判断依据。, authors=宁钟¹,张英², 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