| |||
| 等级制度; 体系 | |||
| 分级的多计算机控制系统 | |||
| 分级系统 | |||
| 分级多机控制系统; 分层控制系统; 谱系 | |||
|
hierarchy system : 7 phrases in 6 subjects |
| Business | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| |||
| 等级制度; 体系 | |||
| 分级的多计算机控制系统 | |||
| 分级系统 | |||
| 分级多机控制系统; 分层控制系统; 谱系 | |||
|
hierarchy system : 7 phrases in 6 subjects |
| Business | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Technology | 2 |
| Telecommunications | 1 |