Both the model and the satellite sensor use infrared energy to measure clouds.

模型和卫星传感器都使用红外能量来进行云的估算。

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In infrared photography, the film or image sensor used within a digital camera is sensitive to infrared lighting, which allows the camera to pick up any light that's invisible to the human eye.

在红外线摄影中，数码相机上使用的胶片传感器或图像传感器对红外光感光，能让相机拾取人眼不可见的任何光线。

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The user points to one of these options with his palm, which is tracked by the cameras and infrared sensor.

用户用摄像头和红外感应器正在追踪的手掌指向其中的一个选项。

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One of many companies demoing a gaze-following setup is Fujitsu, which is showing off a prototype desktop PC with a built-in sensor and infrared LED.

ENGADGET: Fujitsu eye-tracking tech uses built-in motion sensor, infrared LED for hands-free computing (video)

The new Razer DeathAdder's optical sensor was upgraded from 3.5G to a cutting-edge 4G infrared sensor with improved performance and precision.

ENGADGET: Razer DeathAdder adds 4G optical sensor, available now for $69

When you set a bottle down under the spigot, an infrared sensor automatically turns on the flow.

WSJ: With Bottle-Fillers in Mind, the Water Fountain Evolves