4、XHTML will ultimately replace proprietary Web file formats such as Portable Document Format files and Flash and other multimedia formats.
1、PDF (Portable Document Format)
6、Those, in turn, can be implemented using Universal resource Locator (URL) or Portable Document Format (PDF) technologies that are too reusable resources of the ec, just at a finer level of detail.
5、Res Technology Inc. is delighted to provide our visitors with downloadable copies of our product catalogs in Adobe's convenient Portable Document Format( PDF).
7、反過來，這些可以透過使用統一資源定位器(UniversalResource Locator,URL)或者可移植檔案格式(Portable Document Format,PDF)技術來進行實施，這些技術是更深層次上ec的可再用資源。
3、PUBLISHING & DISTRIBUTION: Storehouses of documents in portable formats like Portable Document Format as well as publish/subscribe engines or other means of "pushing" information.
2、Portable Document Format
