标准查询 标准查询老年人和残疾人用指南.视觉标牌及显示器.日文单字符最小易读尺寸的评估
Guidelines for the elderly and people with disabilities -- Visual signs and displays -- Estimation of minimum legible size for a Japanese single character
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标准查询Guidelines for the elderly and people with disabilities -- Visual signs and displays -- Estimation of minimum legible size for a Japanese single character
