有效荷载 : 345 phrases in 25 subjects |
Agriculture | 2 |
Air defense | 1 |
Automobiles | 12 |
Aviation | 69 |
Chemistry | 1 |
Commerce | 1 |
Compressors | 1 |
Cryptography | 1 |
Drilling | 1 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 6 |
Explosives and Explosive Ordnance Disposal | 2 |
Metallurgy | 5 |
Missiles | 1 |
Nautical | 2 |
Navigation | 1 |
Remote sensing | 1 |
Shipbuilding | 2 |
Space | 199 |
Technology | 25 |
Textile industry | 1 |
United Nations | 1 |
United States | 4 |
Wind Energy | 4 |