2) SDH optical communication transmission system
SDH光纤通信传输系统
3) Delivery inspection report on SDH optical Transmission
SBS系列SDH光传输系统出厂检验报告
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。
补充资料：SDH
癸二酸二酰肼简称SDH，分子量230.31, 用作环氧树脂的潜伏性固化剂．参考用量20～35phr．固化条件120～160 ℃／4～0.5h。比双氰胺固化温度低，固化时间短，耐水性好，粘接强度高。
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