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.
2
扫描机，所谓的“反射散射扫描仪”，发射出的电离辐射剂量相当于牙科辐射X射线的1%或更少。
The scanning machines, called "backscatter scanners," deliver a dose of ionizing radiation equivalent to 1 percent or less of the radiation in a dental X-ray.
3
随着音乐的变化，水的舞蹈变成了水的银幕，大型放映机投射出缤纷的鲜花、万千蝴蝶，体现人与自然的和谐。
As the music changes, the water dance into the water screen, large projector projecting colorful flowers, thousands of butterflies, reflecting the harmony between man and nature.
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