常見例句雙語例句The objective function of the optimization is the saving present value per unit heat consumption during the calculation period.目標(biāo)函數(shù)為計算期內(nèi)單位供熱量的節(jié)約額現(xiàn)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.本文在計算恒溫下蒸發(fā)球形試樣粒子時,發(fā)現(xiàn)每單位時間蒸發(fā)縮小的半徑相等。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.研究了考慮單位時間系統(tǒng)維護(hù)費用最低的風(fēng)電機組齒輪箱重要組成元件最優(yōu)更換時間的計算問題。 返回 per unit calculation