Control variables, production of various products, are optimized to gain the optimum value of objective function, that is maximizing profit or minimizing cost in a refinery.
为使目标函数即炼厂的利润最大或是成本最小，对控制变量为各产品的产量进行优化生产。
This optimum scheme has been actually used and brought a notable economic profit.
优化方案获得实际应用，并带来显著的经济效益。
Pricing Strategy The idea and practice of establishing an optimum price for a product or service that will result in the highest profit.
定价策略 指的是为产品或服务制定将会带来最大利润的最优定价这么一种思想或做法。
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