 |
| |||
| message modulation | |||
| 信息调制: 10 phrases in 6 subjects |
| Air defense | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 2 |
|
| |||
| message modulation | |||
| 信息调制: 10 phrases in 6 subjects |
| Air defense | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 2 |