| |||
| 调制波 | |||
|
modulation wave : 31 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Earth sciences | 1 |
| Electronics | 11 |
| Geophysics | 3 |
| Information technology | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 9 |
| |||
| 调制波 | |||
|
modulation wave : 31 phrases in 9 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Earth sciences | 1 |
| Electronics | 11 |
| Geophysics | 3 |
| Information technology | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 9 |