 |
| |||
| 基本脉冲; 基准脉冲 | |||
|
basic pulse : 14 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 1 |
| Technology | 6 |
|
| |||
| 基本脉冲; 基准脉冲 | |||
|
basic pulse : 14 phrases in 6 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 1 |
| Technology | 6 |