讨论了发电成本曲线、单价曲线和成本微增率曲线，指出火电成本单价曲线存在下降段。
This paper discusses generation cost curves, unit price curves and incremental cost curves, and points out that there might be declining segments in thermal-power unit price curve.
尽管单价很高，但租金、物业税、薪资和其它成本正在扼杀这种模式。
Even with big ticket unit prices, rents, property taxes, wages and other costs are killing the model.
大宗购买者通常能获得较低的单价，反映了供货商可以通过规模经济降低成本。
Bulk buyers generally pay lower unit prices to reflect suppliers' economies of scale.
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