The types of electrofacies of standard sample beds from keywell are classified by a combination of principal component and cluster analysis.
用主成分分析与聚类分析结合的方法划分关键井中标准样本层的测井相类型;
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Now, don't ask me why, because I really have no idea, but the fact is that customers tend to respond really well to MBWA, which is the key reason for its success.