条形码读出器就是光电子扫描仪，它们可以把条形码转换为数字代码。

Bar-code readers are photoelectric scanners that translate the bar code symbols into digital code.

youdao

条形码读出器就是光电子扫描仪，它们可以把条形码转换为数字代码。

Bar-code readers are photoelectric scanners that translate the bar code symbols into digital code.

youdao