“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	iteration step iteration theorem iteration theory iterative iterative algorithm iterative closest contour point,algorithm iterative compression iterative computation iterative cycle iterative decoding iterative design iterative dichotomiser 3 algorithm iterative differential iterative differential interpretation method for gamma logging iterative earthing iterative equation iterative guidance iterative improvement iterative interpolation iterative invariant iterative learning control iterative loop iterative method Iterative method for optimization problems iterative method for tunnel capacity computing

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