 |
| |||
| 水平面控制点 | |||
| 水平面控制面 | |||
|
horizontal control : 53 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Business | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 38 |
| Telecommunications | 5 |
|
| |||
| 水平面控制点 | |||
| 水平面控制面 | |||
|
horizontal control : 53 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Business | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 38 |
| Telecommunications | 5 |