 |
| |||
| visual control | |||
| 观测 控制: 11 phrases in 5 subjects |
| Automatic control | 1 |
| Electronics | 5 |
| Hydroelectric power stations | 1 |
| Space | 1 |
| Technology | 3 |
|
| |||
| visual control | |||
| 观测 控制: 11 phrases in 5 subjects |
| Automatic control | 1 |
| Electronics | 5 |
| Hydroelectric power stations | 1 |
| Space | 1 |
| Technology | 3 |