| 单词 | li-fi |
| 释义 | Li-FiLi-FiA digital, wireless visible light communication (VLC) technology that uses LED lights. Unlike Wi-Fi, Li-Fi signals are not subject to electromagnetic interference and can be used in airplanes, hospitals and underwater. Invented by Professor Harald Haas, University of Edinburgh, Li-Fi requires line of sight from transmitter to receiver; however, the light pulses can be redirected from mirrors and white walls. See visible light communication. |
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