高速数字用户线HDSL ？
速率自适应数字用户线RASDL ？
本建议也给出了使用数字用户线建议的数据业务表示方式的实例。
Also illustrations of the data service presentation options using the DSL Recommendations is provided.
非对称数字用户线，是众多DSL技术中的一种，并且是最常用的一种。
One of a number of DSL technologies, and the most common one.
甚高速数字用户线（VDSL）是数字用户线（DSL）家族中速率最高的接入方式。
Very-high-speed digital subscriber line(VDSL) is the fastest access technology of the xDSL family.
它也包含通用系统参考配置的定义和它与各数字用户线建议的系统参考模型之间的关系。
It also contains a definition of a generic system reference configuration and how it relates to the system reference models of the DSL Recommendations.
高比特率数字用户线（HDSL）是对在现有铜线对上进行高速、短距离通信的重大突破。
HDSL represents a major breakthrough in loop circuits of limited distance, capcable of high speed transmission on copper facilities.
江苏宽带多媒体通信网上开通了基于AT M、不对称数字用户线及以太网的视频服务系统。
VOD system has also been opened on the broadband multimedia communication network in Jiangsu province based on ATM, ADSL and Ethernet.
非对称数字用户线(ADSL)是利用现有电话网的铜双绞线为用户提供宽带业务的一种新技术。
Asymmetric digital subscriber line (ADSL) is a technology that provides broadband service for users on the existing twisted pair line.
然而不幸的是，在继续搜索了数小时之后，我没有发现第二张黑人妇女的照片，只有一大串数字用户线和本地电话服务。
Unfortunately, after hours of searching there were no black women to be found; only DSL and local phone service.
在ADSL(非对称数字用户线)系统中，传输的数据在进行调制以前，需先进行组织并加入开销数据后形成帧和复帧。
In an ADSL system, transmitted data are organized and overhead data are inserted to form the frame and superframe before the process of modulation.
VDSL技术被视为不对称数字用户线(ADSL)的下一代产品——这是对ADSL概念的扩展，故其现在还处在研究阶段。
VDSL technology is considered as the next generation product of the Asymmetrical Digital Subscriber Loop (ADSL), which is the conception expansion of ADSL, so it is in the research stage.
该产品主要应用于数字用户线访问复用器(DSLAM)、第三代无线地面机站、及各类光接入系统等宽带综合业务接入设备。
It is applied in device of broadband integrated service access, such as DSLAM, wireless station of 3g, and all kinds of optical access system.
模拟用户线接口电路是数字程控交换系统的重要组成部分。
Subscriber line interface circuit is an important part of digital program-controlled switching system.
STA5型用户板用于数字程控交换机的用户接口，也可做为各类接入网系统的远端二线模拟接口。
STA5 subscriber line is applied to subscriber line interface of programmed control digital switches, and two wire analogy remote interface of access network.
本文针对ISDN数字用户环路二线全双工的回波抵消传输方式，首先探讨了LMS、VLMS1自适应算法，并在此基础上提出改进的VLMS2算法。
This paper discusses firstly adaptive algorithms of LMS and VLMS1, being used widely in treating the problem of echo cancellation for full-duplex transmission in ISDN digital subscriber's loop.
本文针对ISDN数字用户环路二线全双工的回波抵消传输方式，首先探讨了LMS、VLMS1自适应算法，并在此基础上提出改进的VLMS2算法。
This paper discusses firstly adaptive algorithms of LMS and VLMS1, being used widely in treating the problem of echo cancellation for full-duplex transmission in ISDN digital subscriber's loop.
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