To account for text that would always differ between two PDF files, such as a date, you can provide a mask.

考虑到两个PDF文件之间可能存在一些文本上的差异，例如日期，您可以提供一个蒙版来忽略。

youdao

To account for text that would always differ between two PDF files, such as a date, you can provide a mask.

考虑到两个PDF文件之间可能存在一些文本上的差异，例如日期，您可以提供一个蒙版来忽略。

youdao