| |||
amplitude | |||
| |||
enveloppe d'un signal |
amplituda : 44 phrases in 11 subjects |
Analytical chemistry | 1 |
Antennas and waveguides | 2 |
Communications | 1 |
Construction | 14 |
Electronics | 12 |
Mathematics | 5 |
Piezoelectric crystals | 3 |
Radio | 2 |
Radiology | 1 |
Telegraphy | 2 |
Video recording | 1 |