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The mathematical model of cost prediction is established by analyzing cost composition and influence factor of generation fuel cost, and cost prediction is realized by computer program.
通过分析发电燃料成本的构成及影响因素，建立成本预测的数学模型，并用计算机程序实现成本预测。
This paper discusses the composition of the efficiency, so the phase factor defined and its mathematical expression derived.
本文在讨论其效率因子组成的基础上，首先定义了这一因子，并导出其数学表达式。
The composition and mathematical model of dynamic weighing system of ore handling cableway are described.
介绍了运矿索道动态称重系统的组成和数学模型。
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