recession curve

In recent decades there has never been a US recession, or double dip, when US companies have been throwing off spare cash flow nor when the yield curve is steep ( signalling an ongoing recovery).

最近几十年，在美国企业不断抛撒多余的现金流，或者收益率曲线变得陡峭（显示复苏正在进行）之时，美国从未出现过衰退或双底衰退。

Faults and fractures will accelerate the recession of pore water, and make the pore water proportion reduce and the fissure water proportion increase in the recession curve.

构造断裂及破碎会加速孔隙水的衰减，使孔隙级水在衰减曲线上的比例减少，裂隙级水的比例增大。

Based on pulse test, the pulse response curve and flow recession curve are analysed for studying the structure of karst aquifer medium.

通过脉冲试验，采用测站脉冲响应曲线及流量衰减曲线分析，对后寨河流域含水介质结构进行了研究。