per unit calculation

基本解释

The objective function of the optimization is the saving present value per unit heat consumption during the calculation period.
目标函数为计算期内单位供热量的节约额现值。
By the calculation it is found that the decreasing radius is all the same for different particle radius at per unit time when the spherical sample particle is evaporated.
本文在计算恒温下蒸发球形试样粒子时，发现每单位时间蒸发缩小的半径相等。
This paper presented a study on the calculation of the optimal replacing intervals for the vital elements of wind turbine gearboxes to reach the lowest maintenance cost per unit.
研究了考虑单位时间系统维护费用最低的风电机组齿轮箱重要组成元件最优更换时间的计算问题。