 |
| |||
| 平面位置 | |||
|
plan position : 89 phrases in 13 subjects |
| Air defense | 12 |
| Aviation | 6 |
| Computers | 1 |
| Construction | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| Electronics | 16 |
| General | 4 |
| Nautical | 1 |
| Radio | 1 |
| Remote sensing | 1 |
| Space | 10 |
| Technology | 33 |
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