常見例句雙語例句Test of asymmetrical digital subscriber line(ADSL), based on POTS(plain old telephone service)and broadband character, is used to confirm the fault.不對稱數(shù)字用戶線（ADSL）的線路測試，基于窄帶和寬帶特性確定其故障。One of the first commercial systems utilizing OFDM was ADSL (asymmetrical digital subscriber line), a standard for high data-rate communication over twisted-pair wires.第一個OFDM技術的實際應用是非對稱數(shù)字用戶環(huán)路（ADSL），這是一種能夠通過普通電話線提供寬帶數(shù)據業(yè)務的標準。 返回 asymmetrical digital subscriber line