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.

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。

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Determined growth curve of R. prowazekii in host cells displayed only the lag and log phases without stationary and declining phases.

用本法试测立克次体在宿主细胞内的生长曲线，只表现出迟缓期及对数生长期，而无稳定期及衰退期。

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The falling prices are forcing all manufacturers to put more effort into improving their manufacturing technology and module efficiency in order to get back ahead of the rapidly declining cost curve.

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The new security-industrial complex will grow, because we need it and because this economic juggernaut will take us down the now familiar tech curve of declining costs.

FORBES: The Security-Industrial Complex

The US carriers want to be one step ahead of the curve that could lead to declining mobile voice revenues in markets where consumers still have the option to pick a voice minute bucket.

FORBES: The Most Common iPhone Mistake: Picking an Oversized Monthly Plan