Thus, the analysis of agricultural resources elements flow in grain foreign trade is of great theoretical constructive value and practical significance for saving agricultural resources and guaranteeing food safety in China.
因此,研究粮食贸易中的农业资源要素流的规律及特征,探索节约农业资源的路径,特别是在国际经济分工环境和粮食市场框架下,探索优化配置农业资源的路径和模式,对保障我国粮食安全具有重要理论价值和现实意义。
参考来源 - 我国粮食贸易中农业资源要素流研究·2,447,543篇论文数据，部分数据来源于NoteExpress
现代城市与乡村是一个复杂的社会经济地域系统，城市与乡村通过各种要素流的相互联系与相互作用构成了区域系统的两大子系统。
Modern urban-rural is a complicated social and economic regional system. Urban and rural consist of two sub-system of region by the interrelation and interaction of every element.
事件流、或者工作流程流，是业务用例的一个关键要素。
The flow of events, or workflow, is a key element of a business use case.
与这个"流"状态有关的要素可以归纳为三个方面: 1.流的起因 2.流的特征 3.流的结果 (Novak Hoffman and Yung 1999)
The elements associated with the flow state can be classified into the three areas; 1. Causes of Flow 2. Characteristics of Flow 3. Consequences of Flow (Novak, Hoffman and Yung, 1999).
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