2) SDH optical fiber transmission
SDH光纤传输
3) SDH optical equipment
SDH光传输设备
4) SDH transmission network
SDH传输网
1.
Design and implementation of NMS protocol converter of Marconi SDH transmission network
马可尼SDH传输网管协议转换器的设计与实现
2.
SDH transmission network is a complicated network system,the attendant should accumulate experience and steadily improve fault treatment ability for keeping the network to running normally.
SDH传输网络是一个复杂的网络系统,维护人员必须在实践中不断积累经验,提高网络故障的处理能力。
3.
A specific scheme of using SDH transmission network and 1550 nm light transmission of sub-carrier modulate trunk to cover eight counties is put forward from the actual situation of Lushui.
从丽水市的实际出发,提出利用SDH传输网和1550 nm射频副载波调制干线光传输相结合的方法覆盖全市8个县(市)的具体方案。
6) SDH optical communication transmission system
SDH光纤通信传输系统
补充资料：SD
分子式C10H10N4O2S，分子量250.28。俗称SD。又称对氨基-N-2-嘧啶基苯磺酸胺。白色或微黄色结晶粉末。无臭。熔点252～256℃。在空气中稳定，光照时易变成深色，难溶于水，微溶于乙醇、丙酮和乙醚。易溶于稀无机酸和苛性碱溶液。能治疗肺炎球菌、溶血性链球菌、脑膜炎球菌等的感染。适宜于小儿用药。也常制成水溶性的钠盐，用作注射针剂。可由对乙酰氨基苯磺酰氯与2-氨基嘧啶反应，然后再经水解制得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条