This is how barcodes work.

这就是条形码的工作原理。

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That's the problem barcodes solve.

这就是条形码解决的问题。

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The invention of barcodes is based on a very simple idea.

条形码的发明基于一个非常简单的想法。

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Later this year, it will introduce apps that use 2-D barcodes for mobile marketing campaigns.

FORBES

Ilze explains that they are scanning barcodes from contracts of cell phones that have been delivered.

FORBES: An Overlooked Workforce That's Perfect For Hands-On Tasks

Dr Hebert hopes to have half a million barcodes available online within the next five years.

ECONOMIST: Taxonomy