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loi de variation |
закон изменения: 27 phrases in 14 subjects |
Astronautics | 1 |
Automated equipment | 1 |
Aviation | 3 |
Electronics | 1 |
Environment | 1 |
Finances | 1 |
Hydraulic engineering | 2 |
Law | 8 |
Metallurgy | 1 |
Missiles | 2 |
Oil and gas technology | 2 |
Patents | 2 |
Politics | 1 |
Radio | 1 |