 |
| |||
| vertical control | |||
| 垂直控制: 15 phrases in 6 subjects |
| Aviation | 3 |
| Electronics | 4 |
| Information technology | 1 |
| Space | 3 |
| Technology | 3 |
| Telecommunications | 1 |
|
| |||
| vertical control | |||
| 垂直控制: 15 phrases in 6 subjects |
| Aviation | 3 |
| Electronics | 4 |
| Information technology | 1 |
| Space | 3 |
| Technology | 3 |
| Telecommunications | 1 |