“同步数字传送网”的概念、定义、翻译、参考文献-科学参考

单词	同步数字传送网
释义	同步数字传送网 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	National Marine Park for Juehua Island，Liaoning National Marine Park for Maoweihai in Qinzhou, Guangxi National Marine Park for Qing'ao Bay in Nan'ao，Guangdong National Marine Park for Tateishi in Suizhong，Liaoning National Marine Park in Penglai，Shandong National Marine Park in Xiamen National Marine Park of Shengsi in Zhejiang National Marine Special Protected Area for Coastal Shellfish & Ecology in Hekou，Dongying，Shandong National Marine Special Protected Area for Huangshui River Esturay Marine Ecology of Longko，Shandong National Marine Special Protected Area for Marine Ecology of Shoal in Laizhou，Shandong National Marine Special Protected Area for Razor Clam & Ecology in Laizhou Bay，Dongying，Shandong National Maritime Museum National Matriculation English Test national measurement primary standard national measurement standard national medium and long-term planning of water supply and demand National Memorial Day for Nanjing Massacre Victims National Mentally Handicapped Education Experience Exchange Conference National Meteorological Centre National Meteorological Information Certer National Metrology Centre for Energy(Aerospace) National Metrology Institute National Metrology Institute of Japan national migrant workers training plan national mineral database

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