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要点利用了模型矿体来确定矿石块段的已知值倚其估算值的回归斜率。许多估算法都以此为依据进行了比较。有些常用的估算法是有偏误的,其偏误因各有关值的空间分布变得更加随机而增大。
Key Points Model nuggets are used to determine the regression slope of known values of ore blocks to their estimates. Many estimates are based on this comparison. Some commonly used estimation methods are biased and their errors increase due to the more random spatial distribution of the relevant values.