| |||
| 调频波 | |||
| |||
| 调频波 | |||
|
frequency- modulated wave : 13 phrases in 7 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Geophysics | 3 |
| Space | 3 |
| |||
| 调频波 | |||
| |||
| 调频波 | |||
|
frequency- modulated wave : 13 phrases in 7 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 2 |
| Geophysics | 3 |
| Space | 3 |