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square waves : 93 phrases in 23 subjects |
Analytical chemistry | 2 |
Astronautics | 2 |
Automated equipment | 5 |
Electrical engineering | 1 |
Electrochemistry | 6 |
Electronics | 14 |
Geophysics | 5 |
Household appliances | 2 |
Information technology | 2 |
Makarov | 6 |
Mass media | 5 |
Mathematics | 1 |
Medical | 1 |
Metrology | 1 |
Microelectronics | 1 |
Music | 1 |
Nanotechnology | 3 |
Natural resourses and wildlife conservation | 1 |
Physics | 5 |
Technology | 16 |
Telecommunications | 9 |
Television | 2 |
Радиоактивное излучение | 2 |