| |||
| 通信数据系统 | |||
|
communication data system : 23 phrases in 12 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 6 |
| Business | 2 |
| Earth sciences | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Nautical | 1 |
| Space | 4 |
| Technology | 2 |
| |||
| 通信数据系统 | |||
|
communication data system : 23 phrases in 12 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 6 |
| Business | 2 |
| Earth sciences | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Nautical | 1 |
| Space | 4 |
| Technology | 2 |