| |||
| 双调幅 | |||
| |||
| 双调幅 | |||
|
double- amplitude-modulation : 14 phrases in 6 subjects |
| Air defense | 5 |
| Business | 1 |
| Electronics | 3 |
| Geophysics | 2 |
| Military | 1 |
| Technology | 2 |
| |||
| 双调幅 | |||
| |||
| 双调幅 | |||
|
double- amplitude-modulation : 14 phrases in 6 subjects |
| Air defense | 5 |
| Business | 1 |
| Electronics | 3 |
| Geophysics | 2 |
| Military | 1 |
| Technology | 2 |