盲文计算机、屏幕阅读器和基于语音指令的导航工具很难应付这种不断的变化。
Braille computers, screen readers, and navigation tools based on spoken instructions find this continuous change hard to deal with.
这些新语义对于页面的非视觉用户(包括使用屏幕阅读器这样的辅助技术的用户)和搜索引擎爬虫这样的计算机程序很重要。
These new semantics are important for non-visual users of the page (including anyone using assistive technologies like screen readers) but also for computer programs like search engine crawlers.
如果博客或者Wiki做了更新，企业rss提要的订阅者可通过计算机或移动电话上的RSS阅读器马上得到通知。
When new updates are made to your blog or wiki, subscribers to your company's RSS feeds can get instant notification via their RSS readers on their computers or cell phones.
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