稳定 系 数 : 80 phrases in 16 subjects |
Architecture | 5 |
Automobiles | 1 |
Bridge construction | 15 |
Chemistry | 1 |
Commerce | 3 |
Earth sciences | 1 |
Electric machinery | 3 |
Electronics | 6 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 2 |
Hydroelectric power stations | 4 |
Metallurgy | 3 |
Rail transport | 4 |
Shipbuilding | 1 |
Space | 3 |
Technology | 26 |