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

单词	plesiochronous digital hierarchy，PDH
释义	plesiochronous digital hierarchy，PDH Encyclopedia 工学【复用概念】释 plesiochronous digital hierarchy，PDH准同步数字体系基于同频（比如时钟不同源，允许小范围差异）的异步复用技术的数字复用体系。
随便看	secondary relaxation secondary remelting refining secondary resonance secondary resource secondary resources secondary resources of platinum metals group secondary response secondary road secondary root secondary sampling unit secondary school building secondary sedimentary structures secondary sedimentationtank tank secondary segment secondary segmentation secondary settling tank control system secondary sex characteristics secondary sexual characteristics secondary slime secondary socialization secondary somatosensory cortex secondary sound source secondary source secondary specialized school secondary specialized school library rules

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