According to gradient analysis results, proposes that the economic cooperation among the cities in Bohai sea surrounding economic circle can take dual-core, circle, axis pattern.
根据梯度分析的结果，提出环渤海经济圈城市之间的经济合作可以采取双核—圈层—轴带的模式。
According to gradient analysis results, proposes that the economic cooperation among the cities in Bohai sea surrounding economic circle can take dual-core, circle, axis pattern.
根据梯度分析的结果，提出环渤海经济圈城市之间的经济合作可以采取双核—圈层—轴带的模式。
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