 |
| |||
| 双边带调幅 | |||
| 抑制载波的双边调幅 (suppressed carrier) | |||
| |||
| 双边带调幅 | |||
| amplitude modulation, double sideband: 8 phrases in 4 subjects |
| Air defense | 2 |
| Electronics | 3 |
| Geophysics | 2 |
| Technology | 1 |
|
| |||
| 双边带调幅 | |||
| 抑制载波的双边调幅 (suppressed carrier) | |||
| |||
| 双边带调幅 | |||
| amplitude modulation, double sideband: 8 phrases in 4 subjects |
| Air defense | 2 |
| Electronics | 3 |
| Geophysics | 2 |
| Technology | 1 |