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单词 adsl
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ADSL
ADSL n. Computing and Telecomm. asymmetric (also asynchronous) digital subscriber line (or loop), a technology for the transmission of digital data over standard copper telephone lines which allows the high-speed transmission of signals from the telephone network to an individual subscriber, but a slower rate of transmission from the subscriber to the network; cf. DSL n. at D n. Additions.
ΚΠ
1991 Telephony 10 June 28/2 The ADSL concept grew out of Bellcore's developmental work for high-rate digital subscriber line.
2000 Internet Money No. 15. 65/2 Because ADSL uses existing copper cables, the high frequency signals sent down them get degraded as they get further away from their point of origin.
2005 Guardian 3 Mar. (Life section) 21/2 The real speeds of 400kbps to 800kbps are comfortably within the range delivered on phone lines by ADSL.
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更新时间:2024/12/24 11:25:03