| |||
topographic feature | |||
terrain object | |||
ground target; surface target; terrestrial targets | |||
ground object | |||
| |||
ground object |
地面目 标: 46 phrases in 8 subjects |
Air defense | 10 |
Aviation | 13 |
Electronics | 3 |
General | 4 |
Project management | 1 |
Radio | 1 |
Space | 12 |
Technology | 2 |