差别在于这个处理是由循环包围的，该循环迭代跨越已声明语言所保存的向量。

The difference is that the process is wrapped by a loop that iterates across the saved vector of declared languages.

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矩阵迭代法是求矩阵的第一阶特征值与特征向量的一种数值方法。

Matrix iteration method can be employed to figure out the first eigenvalue and eigenvector of a matrix.

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采用矩阵迭代法可以直接迭代计算特征向量导数，避免了对奇异灵敏度方程的求解。

Using matrix iteration methods, the eigenvector derivatives can be iterated directly, solving the singular sensitivity equation can be avoided.

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