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。
2
Determined growth curve of R. prowazekii in host cells displayed only the lag and log phases without stationary and declining phases.