For example, if you decide to display help information as a tool tip rather than in a separate window that would open by user request, the tool tip might not be accessible to screen reader users.
例如，如果您决定将帮助信息作为工具提示，而不是在由用户请求打开的单独的窗口中，工具提示可能对屏幕阅读器用户是不具有易访问性的。
The World Economic Forum has created an ambitious Web site, weforum.org/tgt, to display the findings, including a visualization tool useful for exploring the data.
世界经济论坛已经创造了一个雄心勃勃的网站——weforum.org/tgt来展示一些调查结果，包括一个对探索数据有用的可视化工具。
Google's testing tool is under very active development; the display of the Rich Snippet for the same markup changes over time.
Google的测试工具正在积极开发之中，随着时间的推移，用于相同标记的Rich Snippet显示可能会发生变化。
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