период колебаний: 53 phrases in 21 subjects |
Aerodynamics | 3 |
Astronomy | 2 |
Automobiles | 1 |
Aviation | 4 |
Chemistry | 1 |
Construction | 1 |
Electronics | 6 |
Energy industry | 2 |
Finances | 1 |
Geology | 3 |
Geophysics | 3 |
Mathematics | 1 |
Metrology | 4 |
Microelectronics | 1 |
Nautical | 3 |
Navy | 2 |
Oceanography & oceanology | 2 |
Quantum electronics | 2 |
Radio | 1 |
Shipbuilding | 9 |
Technology | 1 |