| |||
| 垂直基准 | |||
| 垂直基准线 | |||
| 垂直角的基准线 | |||
|
vertical reference : 20 phrases in 11 subjects |
| Aviation | 4 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| Geophysics | 2 |
| Navigation | 1 |
| Remote sensing | 1 |
| Space | 2 |
| Sports | 1 |
| Technology | 1 |
| United Nations | 1 |
| |||
| 垂直基准 | |||
| 垂直基准线 | |||
| 垂直角的基准线 | |||
|
vertical reference : 20 phrases in 11 subjects |
| Aviation | 4 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| Geophysics | 2 |
| Navigation | 1 |
| Remote sensing | 1 |
| Space | 2 |
| Sports | 1 |
| Technology | 1 |
| United Nations | 1 |