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

单词	synchronous digital hierarchy，SDH
释义	synchronous digital hierarchy，SDH Encyclopedia 工学【复用概念】释 synchronous digital hierarchy，SDH同步数字体系基于同步复用技术的数字复用体系。
随便看	principles of securities information disclosure principles of sense arrangement principles of sense discrimination principles of sense division principles of social insurance Principles of Sociology principles of technoeconomic comparative study Principles of the Philosophy of the Future principles of translation principle stress principle value integral principle最小描述长度原理 princple of plasma wakefield acceleration Pringsheim Pringsheim theorem Prins reaction printability print ads print advertising media print appearance quality print carbon footprint print culture print culture capitalism print dot measurement printed archival publications

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