概括的说，反复学习就是对某学习材料和技巧长时间练习，直到这些东西被完全掌握为止。

In a nutshell, over-learning is the continued practice of material or skills long after the material or skills have been mastered.

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由于神经网络可以通过对样本的反复学习来反映边坡复杂的非线性演化关系，其预测效果要优于传统的预测方法。

Because the nonlinear evolution of slope could be obtained by learning the sample repeatedly with neural network, the forecast effect of neural network is better than those of traditional methods.

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由于神经网络可以通过对样本的反复学习来反映边坡复杂的非线性演化关系，其预测效果要优于传统的预测方法。

Because the nonlinear evolution of slope could be obtained by learning the sample repeatedly with neural network, the forecast effect of neural network is better than those of traditional methods.

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