| |||
| 脉冲调制器 | |||
|
pulse modulator : 37 phrases in 8 subjects |
| Air defense | 5 |
| Aviation | 4 |
| Earth sciences | 1 |
| Electronics | 12 |
| Geophysics | 1 |
| Radio | 1 |
| Space | 3 |
| Technology | 10 |
| |||
| 脉冲调制器 | |||
|
pulse modulator : 37 phrases in 8 subjects |
| Air defense | 5 |
| Aviation | 4 |
| Earth sciences | 1 |
| Electronics | 12 |
| Geophysics | 1 |
| Radio | 1 |
| Space | 3 |
| Technology | 10 |