Due to the expansive computational costs, the contact and deformation analysis of roll system are very difficult via using the conventional numerical methods, such as FEM or BEM etc.

但由于计算量很大，使用传统数值方法(有限元法或边界元法)分析辊间接触和辊系变形是非常困难的。

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NTM were identified by the conventional biochemical methods all the time, which was short of the complement of numerical taxonomy.

在我国非结核分枝杆菌的表型鉴定一直沿用以生化实验为核心的传统鉴定方法，且欠缺数值分类的补充分析。

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The time domain integral equation (TDIE) method is one of the important methods in electromagnetic numerical simulations for several advantages over conventional method in frequency domain.

相对于频域方法而言，时域积分方程法有这许多优势，因此，它是计算电磁学数值方法中一个重要的方法。

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