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基于2010—2022年长三角地区“经济-科技-环境”领域间府际协作数据,运用社会网络分析与同配性系数测量方法,对领域间协同网络进行分析。研究发现:长三角领域间协同网络呈现“低成本扩展型”特征,以横向、非正式和双边协作为主;网络整体较为稳定,但演化过程中呈现“先密后疏”特征,中期协同联系增强,后期因主体扩展与协同复杂化,网络紧密度有所下降;网络结构由早期局部跨域联动逐步演化为多圈层、多主体参与的泛连接形态;网络整体具有显著同质性连接倾向,综合类主体占据主导,领域类主体间深层协同不足。基于此,应优化网络结构与连接方式,推动领域类主体更加深度参与跨领域协同。

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