 |
| |||
| 调频-调相 | |||
| 调频调相 | |||
| 调频一调相 | |||
| |||
| 调频与调相 | |||
| 调频/调相 | |||
|
frequency modulation -phase modulation : 8 a las frases, 5 temas |
| Aviación | 1 |
| Defensa aérea | 1 |
| Electrónica | 3 |
| Geofísica | 2 |
| Petróleo | 1 |
|
| |||
| 调频-调相 | |||
| 调频调相 | |||
| 调频一调相 | |||
| |||
| 调频与调相 | |||
| 调频/调相 | |||
|
frequency modulation -phase modulation : 8 a las frases, 5 temas |
| Aviación | 1 |
| Defensa aérea | 1 |
| Electrónica | 3 |
| Geofísica | 2 |
| Petróleo | 1 |