 |
| 宇宙 线: 133 phrases in 16 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Astronomy | 2 |
| Aviation | 5 |
| Earth sciences | 5 |
| Electronics | 7 |
| General | 9 |
| Geophysics | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Space | 69 |
| Technology | 25 |
| Telecommunications | 1 |
| United States | 1 |