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控制试验 |
controlled test : 39 phrases in 12 subjects |
Aviation | 5 |
Earth sciences | 1 |
Electric machinery | 1 |
Electronics | 1 |
Engineering geology | 6 |
Hydroelectric power stations | 1 |
Mechanics | 1 |
Metallurgy | 6 |
Mining | 1 |
Space | 2 |
Technology | 13 |
Wind Energy | 1 |