umagazine issue 18 62 Applying Smart City Technology to Barrier-free Living Environments 應用智慧城市技術 於殘障人士生活 文 Text│黃承發 Alfred Wong 圖 Photo│由作者提供 Provided by Alfred Wong 黃承發博士（右四）與研究團隊 Dr Wong Seng Fat (4th from right) and his research team
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