| |||
| 级系控制系统 | |||
| 分级控制系统 | |||
| 分层控制系统 | |||
| |||
| 分级［递阶］控制系统 | |||
|
hierarchical control system : 6 phrases in 5 subjects |
| Artificial intelligence | 1 |
| Automobiles | 1 |
| Hydroelectric power stations | 1 |
| Space | 2 |
| Telecommunications | 1 |
| |||
| 级系控制系统 | |||
| 分级控制系统 | |||
| 分层控制系统 | |||
| |||
| 分级［递阶］控制系统 | |||
|
hierarchical control system : 6 phrases in 5 subjects |
| Artificial intelligence | 1 |
| Automobiles | 1 |
| Hydroelectric power stations | 1 |
| Space | 2 |
| Telecommunications | 1 |