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| modulación f | |||
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Modulation : 112 phrases in 11 subjects |
| Agriculture | 2 |
| Automated equipment | 1 |
| Automatic control | 1 |
| Communications | 35 |
| Earth sciences | 1 |
| Electronics | 38 |
| General | 3 |
| Information technology | 22 |
| Measuring instruments | 1 |
| Radio | 6 |
| Sound recording | 2 |