由于物流冰山现象和效益背反现象的存在，企业物流成本居高不下。
The logistics cost have taken up too much of the enterprises' total cost for the logistics iceberg phenomenon and trade-off phenomenon.
并且将产业集群效益背反现象和经济学原理相结合，建立了物流园区规模均衡模型。
Integrate the industry cluster effect with economic law, building a Logistics Park-scale Model.
并且将产业集群效益背反现象和经济学原理相结合，建立了物流园区规模均衡模型。
Integrate the industry cluster effect with economic law, building a Logistics Park-scale Model.
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