Tube mill pulverizer system is a multi variable and strong coupling process, which is difficult for mathematical model establishing.

中储式球磨机制粉系统是一个多变量、强耦合的对象，数学模型难以建立。

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The Multi-work Condition Declivitous Impact Testing System was introduced which has variable impacting angle, rigidity, and length of stroke.

论述了多工况倾斜冲击试验系统，该系统具有可变的冲击角度，刚度和行程长度。

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Finally, this article discussed the first data-mining model, the regression model (specifically, the linear regression multi-variable model), and showed how to use it in WEKA.

最后，本文探讨了第一个数据挖掘模型：回归模型(特别是线性回归多变量模型)，另外还展示了如何在WEKA中使用它。

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