覆盖层: 541 phrases in 36 subjects |
Agriculture | 13 |
Air defense | 4 |
Animal husbandry | 4 |
Architecture | 14 |
Automobiles | 4 |
Aviation | 7 |
Biotechnology | 1 |
Bridge construction | 7 |
Chemistry | 3 |
Computer networks | 1 |
Construction | 2 |
Desert science | 17 |
Drilling | 3 |
Earth sciences | 4 |
Ecology | 3 |
Electric machinery | 2 |
Electronics | 31 |
Engineering geology | 20 |
Explosives and Explosive Ordnance Disposal | 12 |
Finances | 1 |
Forestry | 1 |
General | 16 |
Geology | 1 |
Hydroelectric power stations | 8 |
Insurance | 1 |
Metallurgy | 28 |
Nautical | 1 |
Oil / petroleum | 49 |
Plastics | 10 |
Rail transport | 1 |
Shipbuilding | 4 |
Soil science | 1 |
Space | 3 |
Technology | 261 |
Water resources | 1 |
Wind Energy | 2 |