large scale mining 大规模开采
mining in small-scale 小规模采矿
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
This kind of contradiction is more and more bulge with the constant enlargement of mining scale.
这种情况随着采矿规模的不断扩大，矛盾愈来愈突出。
These are mainly attributed to the mining's geological background, the distribution of mercury belt and the mercury mining scale, and the mine closure time.
在沉积物中汞含量的比较也是得到相同的结果，这主要与矿区的地质背景、汞矿带的分布、还与汞矿开采规模、汞矿停产时间有关。
Under the same conditions of structural-material complex, fracture system, and mining scale, the ground damage degree is related to the tectonic stress field.
在构造介质、构造界面特征相似，开采强度也相同的条件下，煤矿区采动损害与其所处的构造应力场性质有关。
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