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根据1990,1995,2000和2005年的面板数据,对川渝城市群10余个主要城市的工业职能进行了研究,划定了研究城市在不同时期的主要工业职能.研究表明,近20年来,川渝城市群主要城市工业职能在发生显著变化.城市群的核心城市重庆的交通运输设备制造职能越来越突出,并且高度专业化.但是,成都市的主要工业职能却越来越多样化,反映出其产业选择的不稳定性.四川其它二级城市的主要工业职能亦处于不断变化中.
According to the panel data of 1990, 1995, 2000 and 2005, the industrial functions of more than 10 major cities in Sichuan-Chongqing urban agglomeration were studied and the main industrial functions of cities in different periods were delineated.The research shows that in the past 20 years, Significant changes have taken place in the industrial functions of major cities in the urban agglomerations of Sichuan and Chongqing, with the transportation equipment manufacturing functions becoming more and more prominent and highly specialized in Chongqing, the core city of the urban agglomeration, but the main industrial functions in Chengdu are becoming more diversified, Reflecting the instability of its industrial choices.The main industrial functions of other secondary cities in Sichuan are also constantly changing.