这种方法非常适合使用常规结构的文档，但是混合文档通常使用不同的内部结构，因此很难通过这种方式正确地处理。

This approach is well suited to documents with regular structure, but mixed content typically varies in its internal structure and is difficult to handle correctly this way.

youdao

这主要是因为这三种扫描仪的内部结构不同，使用方式不同所致。

This is mainly because the scanner three different internal structure, due to the use of different ways.

youdao

这是一次学习的体验，我的目的也是学习SQLite的工作方式，我喜欢探索程序的内部结构。

And my goal was also to learn how SQLite worked. I enjoyed getting into the internals of the application.

youdao