Industrial agglomeration economy index is an important measure of urban agglomeration economy effect.

工业聚集经济指数是衡量城市聚集经济效应的重要尺度。

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Industrial agglomeration economy index is an important measure of urban agglomeration economy effect.

工业聚集经济指数是衡量城市聚集经济效应的重要尺度。

youdao