The file structures are somewhat different.

文件结构稍有不同。

youdao

Part of the ZIP features of PHP allow you to handle these file structures in a very useful way.

PHP ZIP的部分功能允许以十分有用的方法处理这些文件结构。

youdao

Because ZIP archives can have multiple files, they have their own file structures, much like your local computer's file system.

由于ZIP归档可以有多个文件，因此ZIP归档都有自己的文件结构，就像您的本地计算机的文件系统一样。

youdao

There are no licence fees, and the file formats and data structures are open.

ECONOMIST: Computing

Intermark WebSnake: Formerly called Anawave WebSnake, this utility supports offline browsing, Web-site mirroring (including directory structures), e-mail address retrieval, site maps, and advanced file searches.

CNN: Downloads to improve your Web experience