| |||
| 等级控制; 层次控制 | |||
|
hierarchy control : 10 phrases in 5 subjects |
| Artificial intelligence | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Metallurgy | 2 |
| Technology | 5 |
| |||
| 等级控制; 层次控制 | |||
|
hierarchy control : 10 phrases in 5 subjects |
| Artificial intelligence | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Metallurgy | 2 |
| Technology | 5 |