The NPV method measures profitability in absolute term, whereas the IRR method measures it in relative terms. 净现值法是绝对数衡量项目的收益能力,而内含报酬率法是用相对数。
In the components of the total vorticity, the vection of the absolute vorticity and the distortion term were the negative contribution, and the others were opposed. 在组成总涡源各项中水平绝对涡度平流项和扭转项是负贡献,垂直涡度平流项和散度项为正贡献;