在循环内部，我们为遍历到的键提取值，然后使用在PBHandler中定义的helper函数通过反射将该值放置到bean中。

Within the loop, we extract the value for the iterated key, and then we attempt to set that value into the bean through reflection, using the helper function defined in the PBHandler class.

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现在您可以将提取的概念与键 ID 关联起来，因为该列也被包含在操作符输出中。

Now you can relate the extracted concepts with the key ID, because this column is also contained in the operator output.

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其主要任务是在键生成器中从文本中提取单词。

The main task is to extract the words from the texts in the key generator.

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