Where no bar code was present, I held the product box in front of the camera and it again recognized it and found the correct match.

但当没有条形码时，我就将产品包装盒摆在摄像头前，摄像头就识别这个盒子，然后去找匹配的物件。

youdao

Answer: no warranty, many parts have a bar code, that is for the original customer service sweep.

答：不再保修，许多零件上都有条码，售后一扫就知道是否为原装。

youdao

He also sees a trend toward e-gift cards or virtual gift cards, which boil the card down to a bar code--no plastic necessary.

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