 |
| 检査: 637 phrases in 20 subjects |
| Aviation | 9 |
| Business | 2 |
| Cartography | 1 |
| Economy | 1 |
| Education | 5 |
| Electronics | 39 |
| General | 123 |
| Helicopters | 2 |
| Jet engines | 2 |
| Medical | 7 |
| Military | 1 |
| Missiles | 4 |
| Oil / petroleum | 1 |
| Oil and gas | 12 |
| Physics | 1 |
| Police | 1 |
| Rail transport | 1 |
| Sports | 1 |
| Technology | 423 |
| Transport | 1 |