The objective function on line 20 minimizes the total food cost as the total of each decision variable (amount of food) multiplied by that food's cost per unit.
第20行的目标函数要对食物的总体成本实现最小化，该值是每个决策变量(食物数量)乘以每单位食物成本的结果。
Unit production cost is a function of production rate.
单位生产成本是生产率的函数。
The function relation about unit cost of circulating logistics has perfectly explained one salience of physical distribution—gathering effects.
这种单位流通业物流成本函数关系很好解释了物流配送的一个显著特点—集聚效应。
According to this production function, the unit total cost and marginal cost of supplier can be calculated, so the supplier can adjust the supply according to the change of market.
推导出供方短期单位总成本，并求出边际成本曲线，即供应函数。
Taking the minimum cost per unit power generation as the objective function, a thermo-economic optimization model for gas and steam combined cycle power generation system is established.
以单位发电量最低成本为目标函数，建立了燃气-蒸汽联合循环发电系统的热经济学优化模型。
By using gate control and SCR rectifier circuit instead of relay control system, it makes the unit smaller, cost lower, reliability higher and control function more accurate.
该电路采用晶体管门电路及可控硅代替继电器进行程序控制。具有体积小、成本低、使用稳定可靠、抗干扰能力强、控制精度高等优点。
By using gate control and SCR rectifier circuit instead of relay control system, it makes the unit smaller, cost lower, reliability higher and control function more accurate.
该电路采用晶体管门电路及可控硅代替继电器进行程序控制。具有体积小、成本低、使用稳定可靠、抗干扰能力强、控制精度高等优点。
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