比例积 分 微分 : 34 phrases in 16 subjects |
Artificial intelligence | 2 |
Automatic control | 2 |
Automobiles | 1 |
Aviation | 2 |
Earth sciences | 1 |
Ecology | 1 |
Electric machinery | 5 |
Electronics | 4 |
General | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Rail transport | 1 |
Refrigeration | 3 |
Space | 2 |
Technology | 4 |
Telecommunications | 3 |