这种内外分层结构的迭代方式降低了算法设计的难度，减少了不必要的重复计算，提高了计算效率。

This inside and outside iterative way reduces the algorithm design difficulty, and nonessential double counting, raises the counting yield.

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为了分析空心圆柱滚子轴承的载荷分布，在分析滚子与内外滚道接触变形量构成的基础上，提出了空心圆柱滚子载荷分布的迭代算法。

To study the load distribution of hollow roller bearing, the iterative algorithm is adopted based on understanding the construction of the total elastic deformation of roller and raceways.

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根据粗轧机组自身的轧制特点，采用内外两层循环迭代的算法来分配粗轧机组的轧制规程。

Based on the features of rough mill, two-lever interative algorithm is used to calculate the pass schedule of rough rolling.

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