| |||
| 副载波调制 | |||
|
subcarrier modulation : 10 phrases in 5 subjects |
| Air defense | 3 |
| Electronics | 4 |
| Radio | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| |||
| 副载波调制 | |||
|
subcarrier modulation : 10 phrases in 5 subjects |
| Air defense | 3 |
| Electronics | 4 |
| Radio | 1 |
| Technology | 1 |
| Telecommunications | 1 |