 |
| |||
| 提前信号 | |||
|
Advanced Signal : 26 phrases in 8 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 4 |
| Electronics | 9 |
| Geophysics | 2 |
| Information technology | 1 |
| Space | 6 |
| Technology | 1 |
|
| |||
| 提前信号 | |||
|
Advanced Signal : 26 phrases in 8 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 4 |
| Electronics | 9 |
| Geophysics | 2 |
| Information technology | 1 |
| Space | 6 |
| Technology | 1 |