“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	field blood storage shelter Field blood support equipment field blood transfusion field blood transporting chest field blood transporting vehicle field boundary layer field breakdown field brome field bus fieldbus field bus control system fieldbus control system field bus control system, FCS fieldbus technology field calibration of laser altimeter field camera, twin-rall camera field capacity field capacity for irrigated grassland field center field characteristic field characteristic exponent field charging field circaeaster field climate field command organization

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