This paper tries to analyze this connectivity of focal firm cored industrial cluster technological innovation net-works with a totally new method .Based on scrutinizing the formation mechanism of those industrial cluster technological innovation networks ,it proposes a new network sample generating method named final product interactive structure-pro-duction network-technological innovation network three-phase method .By investigating some key parameters of three practical focal firm cored industrial cluster technological innovation networks ,it generates their network samples with that method ,respectively .Then ,it analyzes the connectivity of those network samples with the classical models of percolation theory .Several universal rules of focal firm cored industrial cluster technological innovation networks are revealed ,inclu-ding a moderate vertical node connection probability joint with a moderate horizontal one could maintain the lowest degree of the connectivity of this kind of networks ,and the connectivity of the sub-network with the most final products is highest of all when we only consider edges inside those sub-networks ,and the lower the connectivity of the whole network is as well as the horizontal node connection probability is ,the greater the contribution to the whole network connectivity of those bridge nodes belonging to multiple sub-networks is .%针对焦点企业核型集群技术创新传播网络连通性问题,深入剖析网络形成机理,提出集群最终产品交互结构—生产网络—技术创新网络三阶段生成方法.在此基础上,对3家现实焦点企业核型集群技术创新网络进行调研,生成与现实集群技术创新网络相对应的网络样本,并且依据渗流理论经典模型对上述网络样本连通性进行解析,得出一些共性规律:网络节点纵向和横向结网概率均处于中度水平(0.3~0.6),即可保证网络整体连通;只考虑子网内部连接时,能够生产最多最终产品的焦点企业核心子网连通性最好;整网连通性越差,横向结网概率取值越低,同时隶属多个焦点企业核心子网的桥接节点对整网连通性的贡献越大.
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