The linear programming model was established by the manner of converting sintering costs of various sinters to a certain sinter ′ s comparable cost.
将不同品位的烧结矿成本按某一品位折算为可比成本,建立了线性规划模型。
Converting some of the plant protein to higher-value animal protein will increase efficiency in frontier regions and also reduce the impact of high transport costs.
把一些植物蛋白转化成价值更高的动物蛋白,将会提高开垦前沿地区的效率,并降低高昂的运输成本。
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