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| frequency modulation | |
| commun. el. | frekvensmodulering |
| amplitude modulation | |
| el. | amplitudmodulering |
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| frekvensmodulering | |||
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frequency modulation : 60 phrases in 5 subjects |
| Communications | 23 |
| Electronics | 26 |
| Information technology | 9 |
| Radio | 1 |
| Technology | 1 |