 |
| |||
| surface air observation; surface observation | |||
| ground observation; ground-based observation | |||
|
地面 观 测 : 31 phrases in 11 subjects |
| Aviation | 2 |
| Desert science | 1 |
| Earth sciences | 9 |
| Electronics | 4 |
| Environment | 1 |
| General | 2 |
| Geology | 1 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 7 |