The geo-statistics was used to study the copper special variance characters in orchard soils and the isolines were painted to nicely reflect the content and special relativity of copper in the soils.1.
测定了果园土壤铜的空间变异特征，绘出等值线图，准确细致的反映了铜在土壤中的空间相关性。
参考来源 - 果园土壤铜素分异特征及化学行为研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Special attention should be given to the decrease of the additive variance of yield trait, and this will most possibly make genetic background narrow.
值得注意的是，产量性状的加性方差有降低的趋势，遗传基础可能变窄。
This paper introduces the direction biasing, a special Monte Carlo variance reduction technique.
本文介绍了一种非常独特的减方差技巧——方向偏移。
After getting the variance method to evaluate the quality of the focusing, some special methods to reduce the focusing evaluation time are proposed.
自动三色会聚在得到方差函数作为清晰度评价函数后，提出了减少清晰度评价调节时间的具体方法。
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