“synchronous digital hierarchy network”的概念、定义、翻译、参考文献-科学参考

单词	synchronous digital hierarchy network
释义	synchronous digital hierarchy network Encyclopedia 工学传送网释 synchronous digital hierarchy network同步数字传送网基于同步数字传送体系组建的传送网。由一些同步数字传送网元组成，在光纤上进行同步数字信息传输、复用和交叉连接的网络，实现网络管理、实时业务监控、不同厂商设备间的互通等功能，提高网络资源利用率。
随便看	Tianjin Hebei new commercial area Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin Internal Combustion Engine Research Institute，TICERI Tianjin Iron&Steek Group Co.,Ltd. Tianjin Jin dai yuan lin Tianjin Jinghai District Samaranch Memorial Tianjin Jingju Theatre Company Tianjin Jiulongshan national forest park Tianjin Jixian Dule Temple maintenance project Tianjin Jizhou middle and upper proterozoic nature reserve Tianjin Jizhou national geological park Tianjin Library Tianjin Medical University Tianjin Missionary Case Tianjin Municipal Archives Tianjin Museum （Tianjin Art Museum/Li Shutong Former Residence Memorial Museum） Tianjin Natural History Museum（Musée Hoangho Paiho） Tianjin Olympic Center Stadium Tianjin palaeocoast wetland nature reserve Tianjin Panshan scenic area Tianjin People's Radio Tianjin People’s Art Theatre Tianjin Pictorial Tianjin Pingju Opera Theatre Tianjin port

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