“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	insurance regulation law insurance reserves insurance risk insurance service charge expense insurance statistics insurance store insurance subject insurance subrogation insurance supervision insurance supply insurance term insurance trade insured insured transport insured value insurer insurer's assets Insurgent insuring Insurrection of Dominican Republic in 14 June,1959 INS-VOR/DME navigation system inswept insymbol insync operation INT

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