一束由发光二极管发射出的红外线光立刻进入到使用者眼前的空间，这样一个小型摄像机装置，可分析人们的手势轨迹。
A ring of LEDs projects infrared light into the space immediately in front of the user so a camera in the device can interpret gestures.
过度暴露于紫外线（UV）辐射下，如阳光，晒黑机，或日光灯。
Overexposure to ultraviolet ( UV) radiation, such as from sunlight, tanning booths, or sunlamps.
科学家们在六头亚洲象身上安装了压力传感器，并通过高速红外线摄影机监视它们通过一条人行道时候的步态。
Six Asian elephants walked or ran over a sidewalk equipped with pressure sensors, as the scientists used high-speed infrared video cameras to monitor their gait.
应用推荐