“Synchronous Digital Hierarchy (SDH)”概念、定义、翻译-科学时代

单词	Synchronous Digital Hierarchy (SDH)
释义	网络与多媒体词汇手册 Synchronous Digital Hierarchy (SDH) 同步数字体系
随便看	distribution decision distribution diameter distribution discount distribution effect distribution element distribution equipment distribution expense distribution factor distribution fault distribution flow distribution-free method distribution-free method distribution-free statistic distribution-free statistics distribution-free sufficiency distribution function distribution function distribution function distribution function distribution function distribution function distribution function distribution function of relaxation time distribution group distribution in kind

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。