 |
| 梯形: 238 phrases in 27 subjects |
| Athletics | 1 |
| Automated equipment | 2 |
| Automobiles | 1 |
| Aviation | 10 |
| Biology | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Electricity | 1 |
| Electronics | 20 |
| Energy industry | 2 |
| General | 66 |
| Geology | 3 |
| Mathematics | 7 |
| Medical | 1 |
| Melioration | 1 |
| Military | 11 |
| Mining | 1 |
| Missiles | 1 |
| Nautical | 3 |
| Oil and gas | 3 |
| Oil processing plants | 2 |
| Radio | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Statistics | 1 |
| Technology | 94 |
| Weapons and gunsmithing | 1 |