| |||
| 极轨 | |||
|
polar orbiting : 42 phrases in 10 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Cartography | 2 |
| Cryosphere | 1 |
| Earth sciences | 10 |
| Electronics | 3 |
| Geophysics | 1 |
| Nautical | 1 |
| Space | 18 |
| Technology | 3 |
| |||
| 极轨 | |||
|
polar orbiting : 42 phrases in 10 subjects |
| Air defense | 1 |
| Aviation | 2 |
| Cartography | 2 |
| Cryosphere | 1 |
| Earth sciences | 10 |
| Electronics | 3 |
| Geophysics | 1 |
| Nautical | 1 |
| Space | 18 |
| Technology | 3 |