And the hack only seems to work on plastic keypads — metal returns too much heat noise for the IR camera to reliably discern with keys were just pressed.

而且黑客似乎只能在塑料键盘上运用这个方法，因为金属会反射出大量的热量干扰波，从而使得红外摄相机无法准确识别。

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Any cracks will alter the flow of heat, and these changes can be picked up with a heat-sensitive camera.

通过一台热敏感摄像机就能够捕捉到飞机上的裂痕，因为这些裂痕会改变热流的方向。

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Using the device's on-board camera and thermal-imaging technology, the operator was able to pick up the suspect through his body heat and direct foot patrols to his location.

操控者利用该装置上安装的摄像机和热成像技术得以通过疑犯身体的热量找到并指挥徒步巡逻队锁定他的位置。

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When the camera detects a heat source in the shape of a human being, the on-board computer alerts the driver by highlighting the pedestrian in yellow on the dashboard screen.

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Rumors have circulated about the white paint peeling under heat or ambient light leaking into the case and affecting the camera.

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Before winter sets in, rent an infrared camera to take pictures of your house and find heat leaks that need insulating.

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