SDH的音标

SDH

n.同步数字系列;

例句:

1、

At present, the main information content in metropolitan transmission network is loaded by SDH.

目前, 城域传送网中主要信息量由SDH承载.

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2、

Network management is one of the most important parts for Synchronous Digital Hierarchy ( SDH ) networks.

网络管理是同步数字体系 ( SDH ) 网络的重要组成部分.

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3、

This Recommendation provides limits bringing-into-service and maintenance for international SDH paths and international SDH multiplex sections.

本建议提供国际SDH通道和国际SDH复用段的投入业务和维护限值.

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