Using reflux ratio and recovery as decision variables and total cost as objective function, the computer programs were programmed and optimized calculation was carried out.
以回流比、回收率为决策变量，总费用最小为目标函数，编制计算机程序进行优化计算。
The optimal match ratio between product function and cost is the ideal state that the consumers and producers pursue.
产品功能和成本的最佳配比，是消费者和生产商所共同追求的理想状态。
The generalized cost function can be used for forecasting the ratio between transit and bic…
综合费用函数可用作预测公交和自行车出行量比率。
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