iterative regularity

例句：

1. 1. The process of iteration is a key to solving complex problems.
   迭代过程是解决复杂问题的关键。
2. 2.The iterative approach to problem-solving has proven effective in many cases.
   解决问题的迭代方法在许多情况下都证明是有效的。
3. 3.In the iterative testing phase, we will refine our product based on user feedback.
   在迭代测试阶段，我们将根据用户反馈来完善我们的产品。