vertical reference
| control
| vertical reference | |
| avia. | 垂直基准 |
| space | 垂直基准线 |
| control | |
| hydroel.st. | 调节 |
| hydroel.st. од. | 控制 |
| IMF. | 管制 |
| manag. | 管理、管制; 核对; 存根 |
| met. | 调整; 操纵; 控制装置 |
| pest.contr. | 防治 |
| |||
| 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 |