Through this service, users can create or get red packets by scanning an object in real life.

通过这项服务，用户可以通过扫描现实生活中的物体来发红包、或者抢红包。

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Now, though, NPR has managed to uncover the details behind the company's patented book scanning system - and found that the secret is 3d infra-red cameras.

不过，现在美国国家公共电台(npr)已设法揭开了Google公司专利图书扫描系统背后的神秘细节——被发现的秘密就是三维红外照相机。

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Scanning color: Green, red, blue, or white.

扫描色彩选择：绿色，红色，蓝色或白色。

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The vehicle systems are capable of tasks such as scanning movement of objects around it, identifying a green light from a red light and measuring the trajectory of the vehicle on the road.

ENGADGET: Lexus' autonomous Advanced Active Safety Research Vehicle and why we're not ready for self-driving cars