After the final statistical distribution grade sample valuations, the frequency of ore amount of industrial index proportion.
统计出了估值后样品品位分布频数，得出了工业指标下的矿量比例。
After the final statistical distribution grade sample valuations, the frequency of ore amount of industrial index proportion.
统计出了估值后样品品位分布频数，得出了工业指标下的矿量比例。
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