| 1. | Frame structure for synchronous digital hierarchy signal
同步数字体系信号的帧结构 |
| 2. | Algorithm of blind synchronous digital audio watermarking
同步数字音频盲水印 |
| 3. | 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 |
| 4. | Synchronous digital cross connect equipment sdx
同步数字交叉连接设备 |
| 5. | Synchronous digital hierarchy cross - connect sdxc
同步数字系列交叉 |
| 6. | Sdn synchronous digital transmission network
同步数字传输网络 |
| 7. | Synchronous digital hierarchy bit rates
同步数字体系的比特率 |
| 8. | Basic multiplexing structure for synchronous digital hierarchy signals
同步数字体系信号的基本复用结构 |
| 9. | Specifications for synchronous digital hierarchy multiplex equipment
同步数字体系sdh复用设备技术要求 |
| 10. | Pdh pseudo - synchronous digital hierarchy
准同步数字系列 |
