The two coefficients reflect overall random variation and local random variation of ore body respectively.
文章最后，根据这两个指标对矿体的变化性质作了初步分类。
The relation between gold grade variation and structure in deep is the key to location and prognostication of concealed ore body.
深部金品位变化规律与构造间关系是隐伏矿体定位预测的难点。
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