Version: The 40 different versions of QR Codes mainly differ in the number of modules. Version 1 consists of 21x21 modules, up to 133 (lowest error correction level) of which can be used for storing encoded data.
The largest QR Code (Version 40) has a size of 177x177 modules and

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QR codes, or Quick-Response codes, are easily readable barcodes that when scanned
with a QR decoder (usually available on smartphones) can tra

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The qrcode package: Quick Response code generation in LATEX
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QR Code How-To Guide

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英文简介端午节:
The Dragon Boat Festival - Duanwu
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Is a traditional and statutory holiday originating in China. The festival now occurs on the 5th day of the 5th month of the traditional Chinese cale

The local people threw food into the river so that Qu Yuan’s body could be spared by the fish. Others raced to retrieve his body from the river, in their boats. What the people did on that occasion has now become the way this day is remembered. Food waslater wrapped in bamboo l

Duanwu Zie (Zong Festival 粽子节)
The story of Duanwu Jie (端午节) Duanwu Festival is an important date on the Chinese lunar calendar. It is celebrated every year on the 5th day of the 5th lunar month. This year it falls on 28th of May. It commemorates the death of the poet Qu

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