Preview: Try this Mac OS X application for displaying images and Portable document Format (PDF) documents.

Preview：尝试使用这个用于显示图像和可移植文档格式(Portable Document Format, PDF)文档的Mac OS X应用程序。

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If you want to create a Portable document Format (PDF), you can typically open the text document and save it as a PDF.

如果希望创建Portable Document Format (pdf)格式，通常可以打开文本文档并将其保存为PDF。

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Adobe's Portable document Format (PDF) standard has worldwide acceptance, and using Fop to produce PDF documents is becoming very popular.

Adobe的可移植文档格式(PDF)标准得到全世界范围的认可，使用fop生成PD f文档正变得非常流行。

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RightDoc is now delivering RightDoc 2.0, a business document writer that uses XML and Cascading Style Sheets (CSS) as its file formats, and can output HTML, Portable Document Format, and PostScript formats.

CNN: XML comes of age at Internet World