| |||
| 支架层 | |||
| 网络的支撑层; 支持层; 管理层包括监控网，信令网，数字同步网…等 | |||
|
support layer : 6 phrases in 6 subjects |
| Air defense | 1 |
| Chemistry | 1 |
| Computer networks | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Technology | 1 |
| |||
| 支架层 | |||
| 网络的支撑层; 支持层; 管理层包括监控网，信令网，数字同步网…等 | |||
|
support layer : 6 phrases in 6 subjects |
| Air defense | 1 |
| Chemistry | 1 |
| Computer networks | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Technology | 1 |