综合试验 : 124 phrases in 15 subjects |
Air defense | 3 |
Automobiles | 2 |
Aviation | 47 |
Business | 3 |
Construction | 1 |
Dermatology | 2 |
Drilling | 1 |
Earth sciences | 2 |
Electric machinery | 1 |
Electronics | 16 |
General | 1 |
International trade | 1 |
Mechanics | 1 |
Space | 35 |
Technology | 8 |