Generation and transmission facilities use three-phase equipment. 發(fā)電與傳輸設備也采用三相裝置。
The rapid growth of Internet and multimedia services has been driving the wireless data rate from tens of Kbps to tens of Mbps and even beyond. 通過(guò)對無(wú)線(xiàn)傳輸設備和無(wú)線(xiàn)接入設備進(jìn)行組合應用，完全可以為運營(yíng)商提供一個(gè)全部由無(wú)線(xiàn)設備組成的一級無(wú)線(xiàn)寬帶骨干傳輸與接入，二級無(wú)線(xiàn)城域網(wǎng)覆蓋的方案，而不必依賴(lài)有線(xiàn)資源。
