Different condition of economy and technology define different open pit limit.
不同的经济技术条件确定不同的开采境界。
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。
Open-pit limit optimization is an important content in open-pit mining design and production process control.
露天境界优化是露天矿开采设计和生产过程控制的重要内容。
There are many complications that influent open-pit limit and the economic stripping ratio is the most important one.
影响露天矿开采境界的因素很多，其中一个最重要的因素就是经济合理剥采比。
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.
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。
This paper describes a computer-simulation method which in steps approaches a final pit limit to optimum one. For an example, the Bangchuishan Iron-Mine is introduced in this paper.
本章结合棒锤山铁矿实例，介绍了一种采用模拟法逐次逼近一个最佳露天矿最终开采境界的计算机方法。
According the key of safety monitoring of construction of deep pit, the monitoring content and the correlation limit alarming value is ascertained combining with the actual problem.
文章从明确深基坑施工安全监测的关键出发，确定了监测内容和相关极限报警值，用工程实例进行了阐述。
Drivers must enter the pit lane, drive through it complying with the speed limit, and re-join the race without stopping.
车手必须进入维修站并遵守维修站限速直至驶出维修站出口。
Based on the limit equilibrium theory for axially symmetric condition, the active earth pressure of circular pit obtained with slip-line method was extended to non-uniform surcharge loading.
基于轴对称情况下土体的极限平衡理论，将圆形基坑主动土压力的滑移线解推广到非均匀堆载情况。
At present, the more application of slope stability analysis method in deep foundation pit is still the limit equilibrium method. This method applies widely, but there are also inadequate.
目前深基坑工程中应用较多的边坡稳定分析方法仍然是极限平衡方法，该方法应用较广，但也存在不足之处。
They also seem to think that doing the speed limit actually obligates them to keep left, but that's probably a topic for the pit!
他们也似乎认为这样做限速其实他们有义务保持左，但是这可能是坑的话题！
They also seem to think that doing the speed limit actually obligates them to keep left, but that's probably a topic for the pit!
他们也似乎认为这样做限速其实他们有义务保持左，但是这可能是坑的话题！
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