露天矿矿体计算机模型的建立是进行矿床开采境界优化及制定矿山生产计划的基础。
The establishment of the computer model for the ore body of open pit mine is the basis for the optimization of deposit mining boundary and the mining production scheduling.
境界矿柱稳定性分析是露天转地下矿山经常遇到的问题，对于矿山进行地下开采安全生产极其重要。
The stability of boundary pillar, which can be found across in mine shifting from open-pit to underground mining, is very important for safe production of underground mine.
论文对确定矿山合理开采境界方案在理论上进行了深入的探讨，提出了边际理论法和灰色聚类决策确定矿山合理开采境界的新方法。
Theoretically, new method is used to determine the rational open-pit limit of mine in-deeply study, which is limit theory and grey clustering decision theory.
南芬铁矿目前正在进行的三期境界开采的服务年限已经不长了，矿山需要马上着手进行下期深部开采设计。
It will be a short time for Nanfen open-pit iron mine to mine in the third stage. The mine should be engaged on deep part mining design at once.
境界分析对大型矿山确定分期开采的分期境界也具有重要价值。
Pit-limit analysis is also a valuable procedure in determining the phase pit limits.
境界分析对大型矿山确定分期开采的分期境界也具有重要价值。
Pit-limit analysis is also a valuable procedure in determining the phase pit limits.
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