扫描灯或图像传感器故障。
她拿出亮灯箱盒里的零件，然后用扫描器检查一下它的号码（这会让相应箱盒的灯熄灭），最后再把它放到盒子里。
She picked the item out of that bin, ran it past a scanner that checked its number (and signaled the light to go off), and put it in the box.
系统内置了丰富多样的扫描方式，对于霓虹灯的一些常见动态效果都提供了系统级的支持，而且允许用户自定义花样。
Various scanning mode is built in the system, which offers system-level support for the most common scan mode, and users can define pattern as they like.
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