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从前拨号上网的声音已经淡出我们的记忆,有线宽带连接和Wi-Fi(Wireless Fidelity)已逐渐成为生活中不可或缺的一部分。而现在,可见光通信技术(visible light communications,VLC)又为我们带来了Li-Fi。
The old dial-up voice has faded away from our memory, and wired broadband connectivity and Wi-Fi (Wireless Fidelity) have gradually become an integral part of our lives. Now, visible light communications (VLC) bring us Li-Fi.