large scale mining 大规模开采
large scale mining base 大型矿业基地
Large Scale Mining Licence 大规模采矿许可证
Large-scale mining equipment 矿用大型设备
large scale of mining 规模化开采
large-scale data mining 大规模数据挖掘
Through the parameters simulation and solution to the optimization equation, many methods have been adopted such as application VC methods-visual programming, numerical solution and achieve the value of the base coal-mining scale.
通过对最优化方程中各参数的模拟和求解,应用VC可视化编程、数值分析等方法,求出了榆林能源化工基地煤炭开采规模的数值解。
参考来源 - 榆林能源化工基地煤炭合理开采规模研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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