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试验间 : 107 phrases in 16 subjects |
| Agriculture | 1 |
| Astronautics | 1 |
| Biology | 1 |
| Business | 2 |
| Chemistry | 1 |
| Ecology | 2 |
| Electronics | 15 |
| Engines | 2 |
| General | 30 |
| Law | 2 |
| Medical | 6 |
| Metallurgy | 1 |
| Military | 2 |
| Oil processing plants | 1 |
| Quality control and standards | 1 |
| Technology | 39 |
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