These simplify the process of selling things by identifying goods at a checkout without the need for laser-scanning a bar code.

它无需对条形码进行激光扫描就能在结帐处辨别货物，从而简化了售卖程序。

youdao

The technology of three-dimensional laser-scanning gives a quick, precise, and untouched solution to reconstruct the surface of complex objects.

激光三维扫描技术能够快速，精确，无接触地完成复杂物体表面的重构。

youdao

But current checking methods, generally involving laser scanning, are expensive and require lengthy set-up.

但是，目前的检测方式通常都是使用激光扫描，这些方式都价格昂贵并需要长时间的设定。

youdao

This is a formidable undertaking: the process involves laser-scanning the caves, creating millimetre-perfect fibreglass replicas, and then painstakingly repainting each fresco.

BBC: The perfect trip: Dordogne

Dr Steven Willis, senior lecturer in archaeology at the University of Kent, said laser-scanning technology had been used to analyse the helmet and establish details of its manufacture, decoration and use.

BBC: Iron Age bronze helmet found on Canterbury farmland

This little miracle involves using tiny chip-mounted diffraction gratings and laser light passed over them via a scanning mirror.

FORBES: What's Coming