 |
| separation: 51 phrases in 16 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Communications | 1 |
| Earth sciences | 8 |
| Ecology | 1 |
| Electronics | 14 |
| Environment | 2 |
| General | 3 |
| Industry | 5 |
| Information technology | 1 |
| Law | 4 |
| Mathematics | 1 |
| Medical | 4 |
| Natural sciences | 1 |
| Technology | 1 |
| Transport | 1 |
|
| separation: 51 phrases in 16 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Communications | 1 |
| Earth sciences | 8 |
| Ecology | 1 |
| Electronics | 14 |
| Environment | 2 |
| General | 3 |
| Industry | 5 |
| Information technology | 1 |
| Law | 4 |
| Mathematics | 1 |
| Medical | 4 |
| Natural sciences | 1 |
| Technology | 1 |
| Transport | 1 |