| 1. | Optical digital loop carrier equipment sdh - base
同步数位阶层光数位回路载波机设备 |
| 2. | Digital cross connect system equipment sdh - base
同步数位阶层数位交换连接系统设备 |
| 3. | Management and maintenance of sdh transmission equipment
传输设备的管理及维护 |
| 4. | Digital cross connect system equipment sdh - based
同步数位阶层数位交换连接系统设备 |
| 5. | Optical digital loop carrier equipment sdh - based
同步数位阶层光数位回路载波机设备 |
| 6. | Delivery inspection report on sdh optical transmission
光传输系统出厂检验报告 |
| 7. | An analysis of errors arising in sdh transmission equipment
光传输设备误码问题分析 |
| 8. | The design outline of high - speed sdh fiber line system
光纤线路系统设计概要 |
| 9. | Technical specification of sdh performance analyser
Sdh性能分析仪技术条件 |
| 10. | Design and realization of sdh trail management
同步数字系列传输网路径管理的设计与实现 |
