| |||
| sinal de frequência intermédia; sinal FI | |||
|
intermediate-frequency : 22 phrases in 5 subjects |
| Communications | 9 |
| Electronics | 5 |
| Information technology | 6 |
| Magnetics | 1 |
| Radio | 1 |
| |||
| sinal de frequência intermédia; sinal FI | |||
|
intermediate-frequency : 22 phrases in 5 subjects |
| Communications | 9 |
| Electronics | 5 |
| Information technology | 6 |
| Magnetics | 1 |
| Radio | 1 |