3d bar code readers use your phone's camera to literally scan bar codes and search for products.
3d条形码阅读器通过你的手机摄像头，扫描出条形码，并能找出商品。
There are three types of scanning devices: optical scanners, bar code readers, and char and mark recognition devices.
扫描设备有三种类型：光学扫描器，条码阅读器，和char和标记识别设备。
They are used in broadcasting, in digital cameras, endoscopy, desktop videoconferencing, fax machines, CCTV cameras, as well as bar code readers.
它们用于广播、数码相机、内窥镜检查、桌面视频会议、传真机、闭路电视摄影机、以及条形码阅读器。
Bar-code readers are photoelectric scanners that translate the bar code symbols into digital code.
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.
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。
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