正 极 : 206 phrases in 36 subjects |
Accumulators | 3 |
Agriculture | 1 |
Air defense | 2 |
Architecture | 1 |
Automobiles | 18 |
Aviation | 3 |
Bridge construction | 2 |
Business | 2 |
Cartography | 1 |
Commerce | 1 |
Communications | 1 |
Desert science | 1 |
Drilling | 1 |
Earth sciences | 3 |
Economy | 1 |
Electric machinery | 6 |
Electricity | 1 |
Electronics | 23 |
General | 16 |
Genetics | 1 |
Geophysics | 1 |
Hydroelectric power stations | 6 |
Information technology | 2 |
Mathematics | 1 |
Metallurgy | 6 |
Oil / petroleum | 8 |
Polymers | 2 |
Racing and motorsport | 2 |
Radio | 2 |
Rail transport | 2 |
Reproductive biology | 1 |
Shipbuilding | 2 |
Space | 14 |
Technology | 59 |
Telecommunications | 8 |
Wind Energy | 2 |