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| amplituda sygnału; obwiednia sygnału | |||
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| amplituda (dell'oscillazione); rozpiętość (dell'oscillazione) | |||
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| amplituda impulsu | |||
| ampiezza: 60 phrases in 16 subjects |
| Antennas and waveguides | 1 |
| Automatic control | 2 |
| Chemistry | 1 |
| Communications | 1 |
| Electric motors | 1 |
| Electronics | 29 |
| Lighting other than cinema | 1 |
| Magnetics | 3 |
| Mathematics | 9 |
| Piezoelectric crystals | 1 |
| Radio | 2 |
| Radiology | 2 |
| Sound recording | 4 |
| Telegraphy | 1 |
| Telephony | 1 |
| Vacuum tubes | 1 |