from the perspective of industrial agglomeration and R&D input from the perspective of industrial agglomeration 知识溢出效应分析：基于产业集聚与R&D投入的视角：from the perspective of industrial agglomeration and R&D input from the perspective of network location and relationship from the perspective of public opinion and sentiment from the perspective of industrial cluster development in Western China from the perspective of enterprise management and risk control from the perspective of instritutional logic from the perspective of integration of resources from the perspective of market allocation of factor