... 生产门类 lines of production 生产密度 production density 生产面 production surface ...
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According to the estimation methods of scale economies affecting agglomeration centers, we can get the conclusion that the scale economies are not affected by the cost of transportation, but production density and intensity in small and middle mineral enterprises.
利用规模经济对集聚中心影响的估算方法,分析出影响中小型矿业企业集聚化中规模经济的因素不是运输成本,而是生产密度与集约化程度。
参考来源 - 中小型矿业企业的产业集聚化发展研究·2,447,543篇论文数据，部分数据来源于NoteExpress
影响集聚经济的因素主要可归为运输成本和生产密度这两大类。
The factors influencing agglomeration economy can be mainly classified into such two categories as transportation cost and production density.
实际的强度水平取决于诸如大城市的物理布局、人口密度和生产活动之类的因素。
The actual level of intensity depends on such factors as the physical layout, population density, and productive activities of a metropolis.
我们面临的挑战是超越现在化学技术从而生产更安全、更便宜、更大能量密度的电池，这将是困难的。
The challenge is to move beyond the present chemistry to produce batteries that are safer, cheaper and have greater energy density. This will not be easy.
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