hoc approaches 中文意思是什麼
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3 ) pca - bp, the approach combining statistic theory and neural network technique, is systematically analyzed. ad hoc approaches for choosing some key parameters of the model are presented
3 ）本文在系統分析了基於pca - bp的建模原理后，對人工神經網路模型的關鍵參數即隱層節點數的確定作了較為深入的探討，總結出了比較有效的取值方法。 -
Data analysis approaches : there are several ways to generate reports from data marts, including standardized business reports, ad hoc olap reports, and data mining
數據分析方法：有幾種從數據集市中生成報表的方法，其中包括標準化的業務報表、即席olap報表和數據挖掘。
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