| |||
| 地标; 地面方位物 | |||
| 地面方向物 | |||
|
terrestrial reference : 18 phrases in 8 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 6 |
| Electronics | 1 |
| Space | 3 |
| Surveying | 1 |
| Technology | 2 |
| United Nations | 2 |
| |||
| 地标; 地面方位物 | |||
| 地面方向物 | |||
|
terrestrial reference : 18 phrases in 8 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Earth sciences | 6 |
| Electronics | 1 |
| Space | 3 |
| Surveying | 1 |
| Technology | 2 |
| United Nations | 2 |