微积 分 : 89 phrases in 27 subjects |
Air defense | 1 |
Artificial intelligence | 2 |
Automatic control | 2 |
Automobiles | 1 |
Aviation | 3 |
Bridge construction | 2 |
Business | 3 |
Earth sciences | 7 |
Ecology | 1 |
Economy | 1 |
Electric machinery | 5 |
Electronics | 9 |
General | 6 |
Geophysics | 1 |
Hydroelectric power stations | 2 |
Information technology | 1 |
Mathematics | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Oil and gas | 1 |
Polymers | 1 |
Rail transport | 1 |
Refrigeration | 4 |
Space | 5 |
Technology | 17 |
Telecommunications | 5 |
Wind Energy | 4 |