| Summary: | Research on industrial agglomeration using GIS spatial analysis and spatial visualization technology is still relatively few, so do the research on industrial agglomeration at the micro-spatial scale within the city. Based on the data of the legal entity of the street (township), using the Tsui-Wang Index and GIS methods, the spatial agglomeration characteristics of the secondary and tertiary industries in Shenyang are discussed from the three aspects of industrial spatial polarization, spatial differentiation and spatial correlation, and it is found that (1) there is a certain degree of polarization in various industries, with different degree of polarization of different industries, and the degree of polarization of the tertiary industry is slightly higher than that of the secondary industry; (2) the industrial spatial heterogeneity is obvious, showing spatial differentiation; (3) various industries have a certain degree of spatial correlation, but the overall degree of correlation is low, and the spatial correlation of the tertiary industry is slightly higher than that of the secondary industry; (4) there are obvious hotspots and cold spots in the industrial distribution, the secondary industry hotspots are distributed in the northern and western new cities, while the urban core areas are cold spots. The tertiary industry hotspots are concentrated in the urban core areas, while the cold spots are located at the south of the city. Inside the secondary and tertiary industries, except for the production and supply of electricity, heat and water, other industries have obvious hot and cold spots. Therefore, it can be considered that the industrial distribution has certain agglomeration characteristics, but the degree of agglomeration is not high, and the degree of agglomeration of the tertiary industry is slightly higher than that of the secondary industry.
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