The ADSL technology, namely Asymmetric Digital Subscriber Line, is one kind of asymmetrical transmission technologies which realizes the high speed data transmission in the copper cable through the different modulation methods.
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美
- ADSL技術(shù)，即不對稱(chēng)數字用戶(hù)線(xiàn)(Asymmetric Digital Subscriber Line)，是一種非對稱(chēng)的傳輸技術(shù)，通過(guò)不同的調制方法在銅纜上實(shí)現高速數據傳輸。
