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Foxit Reader is a multilingual PDF reader. Both the basic and full version readers can be downloaded for free, though the basic version offers to install third-party software.

Foxit Reader is notable for its short load time and small filesize, and has been compared favorably to Adobe Reader. The Windows version allows annotating and saving unfinished PDF forms, FDF import/export, converting to text, highlighting and drawing.

福昕阅读器，作为全球最流行的PDF阅读器，能够快速打开、浏览、审阅、注释、签署及打印任何PDF文件，具有轻快、高效、安全等特性，是目前唯一一款带有PDF创建功能的阅读器。此外，它以安全著称，从底层技术、应用设计、功能实现到处理机制，都广泛考虑了各层面用户对安全的需求，也是唯一支持微软SharePoint服务器和Office365环境下对PDF文档的权限控制与应用，被微软推荐为首选的PDF阅读器。福昕阅读器采用行业最快、最精准的PDF渲染引擎，渲染速度快，渲染质量高（高保真度），为用户提供一流的PDF查看和打印体验。
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Adobe Acrobat Reader DC software is the free, trusted standard for viewing, printing, signing, and annotating PDFs. It’s the only PDF viewer that can open and interact with all types of PDF content – including forms and multimedia. It’s connected to Adobe Document Cloud – so you can work with PDFs on computers and mobile devices.

Adobe Document Cloud is a revolutionary, modern and efficient way to get work done with documents in the office, at home or on-the-go. At the heart of Document Cloud is the all-new Adobe Acrobat DC, which will take e-signatures mainstream by delivering free e-signing with every individual subscription. Document Cloud includes a set of integrated services that use a consistent online profile and personal document hub. With Adobe Document Cloud, people will be able to create, review, approve, sign and track documents whether on a desktop or mobile device. Businesses will be able to take advantage of Document Cloud for enterprise which provides enterprise-class document services that integrate into systems of record such as CRM, HCM, CLM, and CMS, adding speed, efficiency and transparency to getting business done with documents.
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Adobe Reader（也称为Acrobat Reader）是美国Adobe公司开发的一款优秀的PDF文档阅读软件。文档的撰写者可以向任何人分发自己制作（通过Adobe Acobat制作）的PDF文档而不用担心被恶意篡改。

PDF（Portable Document Format）文件格式是电子发行文档的事实上的标准，Adobe Acrobat Reader 是一个查看、阅读和打印 PDF 文件的最佳工具。而且它是免费的。新版增加了两个 Acrobat plugs-ins (Acrobat Search and AutoIndx)，它可以在硬盘、CD 和局域网中搜索用 Acrobat Catalog tool 创建了索引文件的多个 PDF 文件。
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