“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	isochromatism isochromosome isochron isochron age isochronal flow test isochronal line isochronal lines isochrone isochrone method isochrone potential isochrones isochronia isochronic isochronic curve isochronism isochronous isochronous correspondence isochronous curve isochronous cyclotron isochronous pendulum isochronous surface isochrony isocitrate lyase isocitric acid isoclass

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