“synchronous digital hierarchy”的概念、定义、翻译、参考文献-科学参考

单词	synchronous digital hierarchy
释义	synchronous digital hierarchy Computer See SDH.
随便看	Santa Ana Santa Anna, Antonio López de (1794–1876) Santayana, George (1863–1952) Santernian Santonian SAO Sao SAO Catalog SAP sap Sapir-Whorf hypothesis saponification saponin sapphire sapping SAPRIN saprolite sapropel sapropelic coal sapropelite saprophyte saprotroph sapwood SAR SARA

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