“synchronous digital hierarchy--synchronous digital hierarchy (SDH)”概念、定义、翻译-科学时代

单词	synchronous digital hierarchy--synchronous digital hierarchy (SDH)
释义	计算机词汇手册 synchronous digital hierarchy (SDH) 同步数字系列
随便看	Flight of the Bumble-Bee，The flight-path angle flight-path axis system flight-path azimuth angle flight path deviation indicator flight-path measurement flight-path recovery flight performance flight permission criterion flight plan flight plan of aerial photography flight plan of aerial photography flight procedure training flight profile flight range flight range rehearsal flight-safety channel flight-safety control system flight-safety judgment criterion flight-safety region flight-safety self-destruction determine mode flight-safety self-destruction system flight simulation flight simulator flight stability

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

synchronous digital hierarchy (SDH)