这不是一件小事；短距离无线保真频率是无牌普，曾经被认为是“垃圾频率”，短距离无线通讯充满了从微波炉和婴儿监视器里收集到杂乱的低强度信号。
This is no small thing; the standard for Wi-Fi was developed on unlicensed spectrum that had been considered "junk band", cluttered with low-intensity signals from microwave ovens and baby monitors.
主要介绍了高速公路机电工程中的视频图象传输设备的选型，最大限度地保证视频传输图象的保真、无延迟，使图象更清晰、更直观。
The paper introduced the choice of video image transmission equipment in expressway mechanical electron engineering for assuring clear image without delaying transmission.
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