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单线对数字用户线
telecom.
single-pair digital subscriber line
单线对数字用户线
利用一对电话线,双向传输全部或部分 T1/E1 信号
telecom.
single-line
-pair
digital subscriber line
单线对数字用户线
:
10 phrases
in 3 subjects
Electronics
4
Information technology
2
Telecommunications
4
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