20世纪以来，管理学、经济学、社会学、区域地理学等领域学者对产业集群现象进行了大量的研究。
Since the 20th century, the scholars in the fields of management, economics, sociology and geography have made a large number of researches on the phenomena of industrial cluster.
社区是社会学研究的最基本单位，是具有亲密关系和高度归属感的人群共同生活的特定区域。
Community is a special area consisting of some people with intimate relations and deep belonging sense.
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