Unverified50% confidenceFactExact time
可访问性树（Accessibility Tree）标准由W3C的WAI-ARIA规范定义，最初目的是帮助视障用户通过辅助设备理解网页内容
1
Sources
50%
Confidence
Long-term
Relevance
7/24/2026
First Seen
Sources
Related Claims
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