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实验 装置 : 58 phrases in 17 subjects |
Aviation | 9 |
Business | 1 |
Desert science | 1 |
Earth sciences | 5 |
Ecology | 1 |
Electronics | 5 |
General | 1 |
Metallurgy | 1 |
Mining | 1 |
Nautical | 2 |
Nuclear physics | 2 |
Oil / petroleum | 2 |
Plastics | 1 |
Shipbuilding | 1 |
Space | 11 |
Technology | 11 |
United States | 3 |