This has to match another encrypted key that is generated from a string of data scanned into the system from the optical bar-code printed in the passport.
这一密钥须同另一个密钥相匹配，后者是由印刷在护照上的条形码扫描入系统后生成的。
2
The students can easily find their parcels according to a barcode distributed by the network system that the center operates.
根据由中心操作的网络系统分发的条形码，学生可以轻易地找到他们的包裹。
3
There's also a barcode management system in place, in which residents deposit food waste directly into composting bins and pay for it by purchasing barcode stickers attached to the bin.