A grain logistics center location model based on extension theory is put forward, which applies extension decision method, cluster analysis and gravity method together.
综合运用可拓决策方法、聚类分析、重心法，建立了基于可拓理论的粮食物流中心选址模型。
This article takes the industrial cluster theory as the foundation, discussing the competitive advantages of the grain logistic park with the game theory.
本文以产业集群理论为基础，利用博弈论等分析方法，探讨了粮食物流园区竞争优势的相关问题。
Grain: Cluster of silver particles in the photo-graphic emulsions. Emulsions with faster speed have larger grains than emulsions with slower speed.
颗粒：群集照相乳剂上的银粒。感光快的乳剂，其颗粒较感光慢的为粗。
Grain: Cluster of silver particles in the photo-graphic emulsions. Emulsions with faster speed have larger grains than emulsions with slower speed.
颗粒：群集照相乳剂上的银粒。感光快的乳剂，其颗粒较感光慢的为粗。
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