The cloud image is a composite of two days of imagery collected in visible light wavelengths and a third day of thermal infra-red imagery over the poles.

两天的可见光影像采集和一天的红外光极地影像采集的数据合成了云层影像。

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He then asked them to rate the image for attractiveness and while they studied the photos used infra-red cameras to track their eyes.

在志愿者观察照片时，他用红外线摄像头跟踪他们的眼球，然后要求志愿者对照片的吸引力评分。

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Once a week, Anna and Lucy take advantage of infra-red saunas, microdermabrasion and skin peels to maintain the mirror image.

安娜和露西每周做一次红外线汗蒸浴、微晶换肤以及磨皮来维持一模一样的形象。

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Drivers initially tend to stare at the infra-red image, rather than the real road.

ECONOMIST: When crashing is not an option

In this case the operator would wear goggles that convert infra-red light into an image that the eye can perceive.

ECONOMIST: Landmines: Clearing the killing fields | The