| |||
square waveform (ssn) |
прямоугольная форма сигнала : 17 phrases in 9 subjects |
Astronautics | 1 |
Electrical engineering | 1 |
Electronics | 3 |
Information technology | 2 |
Mass media | 5 |
Metrology | 1 |
Microelectronics | 1 |
Quantum electronics | 1 |
Telecommunications | 2 |