 |
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| 调频-调幅 | |||
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| 调频与调幅 | |||
| 调频/调幅 | |||
| 调频一调幅 | |||
| |||
| 调频-调幅 | |||
|
frequency modulation- amplitude modulation : 23 a las frases, 7 temas |
| Aviación | 1 |
| Ciencias de la tierra | 2 |
| Defensa aérea | 2 |
| Electrónica | 9 |
| Geofísica | 5 |
| Radio | 1 |
| Tecnología | 3 |
|
| |||
| 调频-调幅 | |||
| |||
| 调频与调幅 | |||
| 调频/调幅 | |||
| 调频一调幅 | |||
| |||
| 调频-调幅 | |||
|
frequency modulation- amplitude modulation : 23 a las frases, 7 temas |
| Aviación | 1 |
| Ciencias de la tierra | 2 |
| Defensa aérea | 2 |
| Electrónica | 9 |
| Geofísica | 5 |
| Radio | 1 |
| Tecnología | 3 |