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lines of force: 50 phrases in 18 subjects |
Antennas and waveguides | 3 |
Astronomy | 1 |
Aviation | 5 |
Construction | 1 |
Electrical engineering | 1 |
Electrochemistry | 4 |
Electronics | 1 |
Geophysics | 1 |
Magnetics | 1 |
Makarov | 12 |
Mathematics | 2 |
Metallurgy | 1 |
Military | 1 |
Physics | 3 |
Police | 1 |
Rail transport | 1 |
Technology | 10 |
Thermal engineering | 1 |