“准同步数字体系”的概念、定义、翻译、参考文献-科学参考

单词	准同步数字体系
释义	准同步数字体系 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	transpiration pull transplanetary transplanetary space transplantation and domestication of fishery organisms transplantation antigen，histocompatibility antigen transplantation immunology transplantation of fishery organisms transplantation-related complications transplanting trans-Pluto trans-Plutonian planet trans-plutonian planet transplutonium transplutonium element transpolar trans-polymer transpolymer transponder transport transportable transport accessibility Transport Act 1968（U.K.） transport administrative system transport aircraft transport airport

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。