| |||
| 系统集中控制 | |||
|
system centralized control : 17 phrases in 9 subjects |
| Aviation | 1 |
| Electronics | 3 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 1 |
| |||
| 系统集中控制 | |||
|
system centralized control : 17 phrases in 9 subjects |
| Aviation | 1 |
| Electronics | 3 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 1 |