Iteration by iteration process or testing improvements.

每个迭代都进行过程或测试的改进。

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The second is an iteration process that applies the nested map to each of the elements of the input array.

第二个是迭代过程，将嵌套映射应用于输入数组的每个元素。

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The cost of the third iteration process is far lower than that of the original process, as shown in Figure 7.

第三轮迭代流程的成本要远远小于初始流程的成本，如图 7 所示。

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Thus began a process of constant iteration, where each version of the product saw the product getting simpler and more applicable to a broader section of the population.

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