The scanning camera scans the concerning area and the staring camera tracks the found targets, when the early-warning satellite is on-orbit.

预警卫星在轨工作期间，星载扫描相机将对关注区域进行南北往复扫描，凝视相机对发现的目标进行跟踪探测。

youdao

Many phones can scan and interpret this data using the built in camera and barcode scanning software.

许多手机可以用内置的摄像头与条形码扫描软件扫描并解析这些数据。

youdao

You can create images in a number of ways, for instance with a digital camera, by scanning an image in, or creating one with a painting or drawing program.

您可以通过多种方式创建图象，比如从一部数码相机扫描一张，或者绘画或绘图程序创建。

youdao

Consumers then view these company scores while they shop, by scanning product barcodes with their mobile phone camera or using a widget to view scores while browsing online.

FORBES: Citizens Market Uses Crowdsourcing To Help Shoppers Find Responsible Companies

Cardio allows users to make payments by "scanning" the front of their credit card using the camera on an Android or Apple iOS device.

BBC: Paypal buys the Cardio credit card scanning service

As you can see from the slide above, the slate will sport both a 1.3MP front-facing camera and an 8MP rear-facing camera "with illumination and aiming" for barcode scanning.

ENGADGET: Motorola to begin beta testing rugged Android tablet, steps up enterprise efforts