因此，采充平衡临界品位是评价该系统是否完美的重要指标之一。
Therefore, the critical grade to achieve a balance between mining and filling is a significant indicator to evaluate whether the system is perfect.
运用成本效益比较分析法，给出了矿山利用表外矿的临界品位静态与动态分析模型。
Based on the application of cost - revenue analysis, this paper presents a set of mathematical models for both static and dynamic economic analysis of a mine's unbalanced-ore utilization.
依照盈亏平衡点通过综合计算，对矿体的临界品位进行确定，获得较好的经济效益和各项指标。
According to the balance point of profit and loss, better economic benefits can be got with the ascertain of Critical-grade calculated generally.
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