 |
| |||
| surface orientation | |||
| ground orientation; terrain orientation | |||
|
地面定向 : 9 phrases in 6 subjects |
| Aviation | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips