数值计算: 50 phrases in 19 subjects |
Agriculture | 2 |
Architecture | 1 |
Aviation | 3 |
Bridge construction | 3 |
Business | 3 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
Hydroelectric power stations | 1 |
Information technology | 2 |
Oil / petroleum | 1 |
Project management | 3 |
Rail transport | 1 |
Space | 4 |
Sports | 1 |
Technology | 16 |
Telecommunications | 2 |
Water resources | 1 |