Synchronous DXC will form the cornerstone of the new synchronous digital hierarchy.

同步数字交叉连接单元将成为新的同步数字系列的基石。

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This Recommendation provides an information model for the Payload Configuration Management of Synchronous Digital Hierarchy (SDH) Networks.

本建议给出了同步数字系列(SDH)网络的净负荷配置管理的信息模型。

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In multiplex and demultiplex systems such as Synchronous Digital Hierarchy (SDH), timing processing is very important to system performance.

在复分接系统中，如同步数字系列(SDH)，定时处理占有重要地位。

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The Indian government announced in December that it would impose tariffs of 50% on Huawei's synchronous digital hierarchy (SDH) transmission equipment while its cross-town rival, China's ZTE Corp.

FORBES: Huawei Doubles Down In Bangalore

Those interested in digital storage and the development of consumer, computer and enterprise technology will want to keep their eyes peeled for development next week and in the future as very useful solid state storage devices assumes greater importance in the overall digital storage hierarchy.

FORBES: The Enormous Flash: New Opportunities and Announcements for Solid State Storage

The 2011 list was highlighted by the next generation of corporations whose business models embrace the digital age and a flatter hierarchy in the workplace.

FORBES: Corporations Must Bring Democracy into the Workplace: A Conversation with WorldBlu, HCL Technologies and Groupon