 |
| 阻滞: 265 phrases in 17 subjects |
| Astronautics | 3 |
| Aviation | 1 |
| Biology | 2 |
| Cardiology | 2 |
| Chinese | 2 |
| Electronics | 9 |
| Energy industry | 1 |
| General | 34 |
| Mathematics | 1 |
| Medical | 139 |
| Metallurgy | 1 |
| Military | 4 |
| Nautical | 3 |
| Oil processing plants | 4 |
| Pharmacology | 2 |
| Rail transport | 1 |
| Technology | 56 |