The green to red colors show how well the laser is reflected back to the scanner.
图中的绿红两色是激光被被反射回扫描仪的情况。
When you open Barcode Scanner, you will see a rectangular area with a flashing red line displayed on the screen of your phone.
打开“条形码扫描器”后，手机屏幕上会显示出一个有一条闪烁的红线的矩形区域。
When you open Barcode Scanner, you will see a rectangular area with a flashing red line displayed on the screen of your phone.
打开“条形码扫描器”后，手机屏幕上会显示出一个有一条闪烁的红线的矩形区域。
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