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Synchronous Digital Hierarchy
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计算
同期デジタルハイアラキー
英语 词库
Synchronous Digital Hierarchy
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信息技术, 缩写
SDH
(FDDI, ATM, SDH)
电信, 缩写
SDH
(ITU-T)
;
SDH
(SONET)
缩写, 文件扩展名
SDH
Synchronous Digital Hierarchies
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缩写, 苏格兰语
SDH
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