| |||
| ★ 双边带调制 | |||
| |||
| 双边带调制 | |||
|
double-sideband modulation : 12 phrases in 6 subjects |
| Air defense | 3 |
| Business | 1 |
| Electronics | 3 |
| Geophysics | 2 |
| Military | 1 |
| Technology | 2 |
| |||
| ★ 双边带调制 | |||
| |||
| 双边带调制 | |||
|
double-sideband modulation : 12 phrases in 6 subjects |
| Air defense | 3 |
| Business | 1 |
| Electronics | 3 |
| Geophysics | 2 |
| Military | 1 |
| Technology | 2 |