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吸收 材料: 52 phrases in 15 subjects |
Air defense | 2 |
Chemistry | 1 |
Electric machinery | 1 |
Electronics | 5 |
Explosives and Explosive Ordnance Disposal | 1 |
Information technology | 1 |
Metallurgy | 4 |
Nautical | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 1 |
Plastic surgery | 3 |
Polymers | 2 |
Refrigeration | 1 |
Space | 8 |
Technology | 20 |