空间 坐标 : 40 phrases in 14 subjects |
Artificial intelligence | 1 |
Bridge construction | 1 |
Business | 1 |
Construction | 1 |
Electronics | 2 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Hydroelectric power stations | 2 |
Information technology | 1 |
Metallurgy | 2 |
Space | 9 |
Technology | 16 |
Wind Energy | 1 |