trade flow theory 交易流向学说
staff and trade flow 人员和货物往来
trade flow and direction 流量和流向
free flow of trade 自由贸易往来
trade capital flow 贸易资本流动
flow of trade 商业流通
In the context of weighted world trade network, the dissertation researches the growth fluctuation of trade volume and trade flow in the time dimension.
本文以权重国际贸易网络为研究框架,从时间角度研究了贸易量和贸易流的增长波动问题。
参考来源 - 国际贸易网络测度与演化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The definition of material flow in both the narrow and broad sense and the distinction and relationships between material flow, trade flow and information flow are discussed.
本文论述了物流、商流、信息流以及它们之间的联系和区别，着重探讨了关于物流的狭义和广义的定义。
The research via gravity model shows that the system quality of each country will impact bilateral trade effectively, and the trade flow is large between the countries with similar systems.
通过应用引力模型的研究发现，各国制度的优劣对双边贸易有显著的影响，制度相似的国家间贸易量较大。
But a key event in 1993 changed the almost exclusively one-way flow of trade in military aircraft and equipment.
但是1993年的事件改变了军用飞机及装备独有的单向流动交易的状况。
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