 |
| |||
| amplitude modulation | |||
| 波幅调制: 24 phrases in 9 subjects |
| Air defense | 4 |
| Construction | 1 |
| Electronics | 10 |
| Geophysics | 2 |
| Information technology | 1 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
| Telecommunications | 1 |
|
| |||
| amplitude modulation | |||
| 波幅调制: 24 phrases in 9 subjects |
| Air defense | 4 |
| Construction | 1 |
| Electronics | 10 |
| Geophysics | 2 |
| Information technology | 1 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Technology | 3 |
| Telecommunications | 1 |