例句與造句

1. It is used for acquiring, managing, and reading PDF, XHTML ( through the nonproprietary EPUB file type specification ) and Flash-based content.
2. There are hundreds of formats ( digital file type specifications ) for audio and video, and dozens of programs to " convert " from format to format.
3. It's difficult to find file type specification in a sentence. 用file type specification造句挺難的