freight turnover quantity
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货运量
- 引用次数：3
参考来源 - 基于灰色系统和神经网络的省级区域物流需求预测
·2,447,543篇论文数据，部分数据来源于NoteExpress
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The results shows that the change of industry structure has nothing to do with the structure of freight quantity, but has causal relationship with the structure of freight turnover quantity.
检验结果表明，产业结构的变化与货运量结构变化没有直接的关系，而与货运周转量结构变化有因果关系。
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