测距仪: 414 phrases in 27 subjects |
Agriculture | 1 |
Air defense | 7 |
Architecture | 2 |
Automobiles | 4 |
Aviation | 24 |
Bridge construction | 1 |
Desert science | 1 |
Earth sciences | 27 |
Ecology | 1 |
Electric machinery | 1 |
Electronics | 28 |
Engineering geology | 6 |
Explosives and Explosive Ordnance Disposal | 4 |
Fishery fishing industry | 1 |
General | 21 |
Geophysics | 14 |
Hydroelectric power stations | 12 |
Information technology | 1 |
Metallurgy | 2 |
Navigation | 2 |
Oil / petroleum | 25 |
Oil processing plants | 2 |
Rail transport | 2 |
Shipbuilding | 1 |
Space | 28 |
Technology | 193 |
United Nations | 3 |