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高比特率数字用户线
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高比特率数字用户线
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数字用户线
释
high-bitrate digital subscriber line,HDSL
高比特率数字用户线
用于双绞铜线的用户环路,在长达4千米或更长服务范围内有效传送E1(或T1)速率的业务信息,并提供标准的E1(或T1)接口的传输技术或设备。
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solar
Solar-A
solar active region
solar activity
solar activity and 14C
solar activity and aurora frequency
solar activity cycle
solar activity effect
solar activity prediction
solar activity, prediction of
solar air-conditioning
solar air mass
Solar and Heliospheric Observatory
Solar and Heliospheric Observatory probe
solar and terrestrial radiation meter
solar annual tide
Solar, Anomalous, and Magnetospheric Particle Explorer
solar antapex
solar apex
solar array drive assembly
solar assisted heat pump air-conditioner
solar atlas
solar atmosphere
solar atmosphere and solar activities
solar-atmospheric link
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