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Invisible machine-readable labels that identify and track objects（图）
不可见 机器可读标签 3D打印标签 数据存储分类
2023/6/7
If you download music online, you can get accompanying information embedded into the digital file that might tell you the name of the song, its genre, the featured artists on a given track, the compos...
Twenty-Second Meeting of the Technical Advisory Group on Machine Readable Travel Documents
Twenty-Second Meeting Technical Advisory Group Machine Readable Travel Documents
2014/3/26
The Twenty-second Meeting of the Technical Advisory Group on Machine Readable Travel Documents (TAG/MRTD/22) will be held at ICAO Headquarters, Montréal, Canada from 21 to 23 May 2014.