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| 抽取: 62 phrases in 19 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Business | 2 |
| Chemistry | 3 |
| Economy | 4 |
| Electronics | 6 |
| Environment | 1 |
| Finances | 2 |
| Food industry | 1 |
| General | 18 |
| Geology | 3 |
| Information technology | 1 |
| Law | 2 |
| Mathematics | 4 |
| Oil / petroleum | 2 |
| Oil processing plants | 2 |
| Pulp and paper industry | 1 |
| Statistics | 1 |
| Technology | 7 |