Since 1980s， people have studied how to improve the information（）of barcode symbol._精华吧

Since 1980s， people have studied how to improve the information（）of barcode symbol.

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Since 1980s， people have studied how to improve the information（）of barcode symbol.

A、amount

B、density

C、number

D、crowdedness

正确答案：density

Tag：时间：2023-10-07 15:09:57

上一篇：In the process of postal operation and modern logistics， the small sized barcode plays an important role in automatic processing in（）with computer system.
下一篇：But for many reasons， the technology was not（）until more than 20 years later.

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