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When a reader scanned the QR code on Tutu by accident, Wangbao got angry, beginning to argue with Tutu.

一名读者不小心扫了图图身上的二维码，旺宝生气了，开始和图图争吵。

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The code reader creates a character buffer from the source file, the scanner combines characters into ITokens, and the parser combines ITokens into IASTNodes.

代码阅读器从源文件中创建一个字符缓冲，扫描器将字符组合到IToken中，解析器将IToken组合成IASTNode。

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First he argued laches, the legal term meaning Lemelson had waited too long to press claims over his bar-code reader supposedly invented in the early 1950s.

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Some of them rely on technology other than NFC, such as offering services that let people pay for purchases by sending text messages or by scanning product bar codes using a phone's QR-code reader.

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Equipped with a bar-code reader to scan New York registration stickers and synchronized with an atomic clock in Colorado, the devices make it almost impossible for an agent to make the kinds of errors Bolofsky depends on for appeals.

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