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放大 系数 : 72 phrases in 19 subjects |
Architecture | 1 |
Aviation | 1 |
Bridge construction | 2 |
Construction | 1 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 10 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 5 |
Geophysics | 1 |
Hydroelectric power stations | 4 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 3 |
Radio | 1 |
Space | 3 |
Technology | 31 |
Telecommunications | 2 |