以下为句子列表：
英文: The computation indicates that in case of medium geological conditions and quite large internal and external water pressures, the results are obtained from this optimization program and from the design method specified in the codes, the former can save 5%
中文: 计算表明：当地质条件中等，内、外水压力较大时，采用本计算方法与按规范规定的设计方法并同样进行了优化设计后的结果相比，每米钢管的用钢量可节约5%~18%左右。
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英文: The orthogonal design and least square methods were used to fit the response surface, and the optimal one was obtained by the numerical optimization program DOT.
中文: 根据正交试验设计法安排每个试验点，最小二乘法拟合响应面，利用DOT程序得到该响应面的最优值。
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英文: This optimizing method is simple and practical and the programmed optimization program with such merits as high precision, fast operation and less workload is a reasonable method for the selection of fans in the design of mine ventilation system.
中文: 该优选方法简单实用，编制的优选程序精度高，运行速度快，工作量少，是矿山通风系统设计中风机选择的一种较理想的方法。
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英文: This paper introduced an optimizing method and optimization program used for selecting mine fan by computer.
中文: 介绍了一种矿井扇风机的计算机优选方法及优选程序。
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