许多手机可以用内置的摄像头与条形码扫描软件扫描并解析这些数据。
Many phones can scan and interpret this data using the built in camera and barcode scanning software.
检测光学代码的距离，与条形码的距离相关地增加滤波器带宽。
The distance of the optical code is detected, and the filter bandwidth is increased in relationship to the distance of the bar code.
与条形码相比，这类标签可以包含更多信息，并可以从远处被扫描。
These contain far more information than bar codes and can be scanned remotely.
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