 |
| 降落: 790 phrases in 51 subjects |
| Agriculture | 6 |
| Air defense | 10 |
| Animal husbandry | 2 |
| Architecture | 7 |
| Astronautics | 4 |
| Automobiles | 3 |
| Aviation | 146 |
| Bridge construction | 12 |
| Business | 1 |
| Chemistry | 5 |
| Construction | 5 |
| Desert science | 3 |
| Drilling | 1 |
| Ecology | 1 |
| Economy | 1 |
| Electric machinery | 1 |
| Electronics | 7 |
| Engineering geology | 27 |
| Finances | 2 |
| Forestry | 1 |
| General | 81 |
| Hobbies and pastimes | 1 |
| Hydraulics | 1 |
| Hydroelectric power stations | 18 |
| International trade | 3 |
| Metallurgy | 9 |
| Military | 3 |
| Mining | 1 |
| Missiles | 1 |
| Nautical | 16 |
| Navigation | 2 |
| Oil / petroleum | 11 |
| Outdoor activities and extreme sports | 2 |
| Plastics | 3 |
| Port facilities | 1 |
| Project management | 2 |
| Radio | 1 |
| Refrigeration | 1 |
| Remote sensing | 1 |
| Securities | 4 |
| Shipbuilding | 6 |
| Shooting sport | 2 |
| Skydiving | 81 |
| Space | 77 |
| Sports | 4 |
| Surgery | 1 |
| Technology | 174 |
| Textile industry | 31 |
| Transport | 4 |
| United Nations | 1 |
| Wind Energy | 2 |