空间结构: 70 phrases in 14 subjects |
Artificial intelligence | 1 |
Automobiles | 1 |
Aviation | 2 |
Earth sciences | 2 |
Ecology | 3 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 2 |
Oil / petroleum | 1 |
Plastics | 1 |
Polymers | 1 |
Space | 19 |
Technology | 34 |
Telecommunications | 1 |