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| Modulationsfrequenz f | |||
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modulation frequency : 95 phrases in 13 subjects |
| Automated equipment | 4 |
| Chemistry | 1 |
| Communications | 29 |
| Computers | 1 |
| Electronics | 21 |
| General | 2 |
| Information technology | 11 |
| Medical appliances | 1 |
| Microelectronics | 1 |
| Physics | 3 |
| Piezoelectric crystals | 1 |
| Radio | 1 |
| Technology | 19 |