Unverified82% confidenceDecision RuleTime unknown
老人用扑克/棋牌牌面,数字花色高度≥字号28pt(约1cm)、采用黑红两色高对比印刷、哑光防眩光处理,可显著降低白内障和老花人群的辨识困难
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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