Dynamic reserve includes several changing factors, such as general scale of grain reserve, stock pattern (combination of physical stock and cash stock), variety structure and space-time layout.

动态储备包括若干方面的动态要素，例如：储备粮总规模、库存形态(储备粮实物库存与现金库存的组合)、品种结构或时空布局等。

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An unsteady 1-d flow and sediment model is used as a tool to study the scale effect caused by time distortion in physical models of sediment transport.

利用一维不恒定水流泥沙数学模型，研究泥沙实体模型试验的时间变态问题。

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However, if USES the large-scale instrument survey, not only must consume the huge manpower physical resource, moreover time-consuming expense.

然而，如果利用大规模的仪器测量，不仅要耗费巨大的人力物力，而且费时费地。

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By making it possible to track customers in the physical world as easily as we do on the Web, indoor positioning is poised to bring the power of web analytics into the physical world, giving us real-time insights into human behavior and habits on a massive scale.

FORBES: Indoor Venues Are The Next Frontier For Location-Based Services