barcode

/ˈbɑɹ.koʊd/ 名词 C2

中文：条形码、条码

Any set of machine-readable parallel bars or concentric circles, varying in width, spacing, or height, encoding information according to a symbology.
A portion of a gene that identifies a particular species.
An instance of self-harm, typically with multiple parallel cuts along a line, similar in form to a machine barcode. (slang)

复数 barcodes

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The barcode was invented by two graduate students, Norman Joseph Woodland and Bernard Silver, in the late 1940s.

The first product ever scanned with a UPC barcode was a pack of chewing gum, which was sold in a supermarket in Troy, Ohio, on June 26, 1974.

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