perturbation method : 33 phrases in 13 subjects |
Aerohydrodynamics | 1 |
Astronautics | 2 |
Automated equipment | 1 |
Aviation | 1 |
General | 4 |
Makarov | 11 |
Mass media | 1 |
Mathematics | 3 |
Nanotechnology | 2 |
Nautical | 2 |
Quantum mechanics | 1 |
Security systems | 1 |
Technology | 3 |