并运用区位熵法对9个最大城市的部门结构进行了初步分析，揭示了其中存在的一些问题，最后运用统计分析方法对各城市主导产业进行了分级。
Then with position quotient law, each department structure of 9 biggest cities has been carried out preliminary analysis, and has been revealed some existent problems.
并运用区位熵法对9个最大城市的部门结构进行了初步分析，揭示了其中存在的一些问题，最后运用统计分析方法对各城市主导产业进行了分级。
Then with position quotient law, each department structure of 9 biggest cities has been carried out preliminary analysis, and has been revealed some existent problems.
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