![]() |
模拟 实验 : 53 phrases in 16 subjects |
Aviation | 9 |
Compressors | 1 |
Earth sciences | 2 |
Ecology | 2 |
Electronics | 4 |
Engineering geology | 2 |
General | 1 |
Geology | 1 |
Metallurgy | 1 |
Mining | 1 |
Navigation | 1 |
Oil / petroleum | 2 |
Shipbuilding | 1 |
Space | 6 |
Technology | 18 |
United States | 1 |