• 1. mining method optimization: 采矿方法优化
• 2. optimization of mining method: 采矿方法优选

• 1.This method is expansive one of the general dynamic optimization method in this mining method.
  该方法是露天矿分期开采来剥关系优化理论的进一步推广。
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• 2.In accordance with the orebody shapes of Dongdashan iron mine and the adopted mining method, the ways of design and optimization for medium and deep caving parameters were given.
  依据东大山铁矿的矿体形态及所采用的采矿方法，浅析了中深孔崩矿参数的设计与优化途径。
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• 3.Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.
  通过对山东王村铝土矿采矿方法优化的介绍，提出了一种新的采矿方法——人工顶柱无底柱长壁式崩落法。
  dict.yoduao.com

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