![]() |
| |||
functional unit | |||
operational unit | |||
operation unit | |||
item |
操作单 元 : 28 phrases in 10 subjects |
Aviation | 1 |
Economy | 1 |
Electronics | 12 |
Information technology | 1 |
Metallurgy | 3 |
Oil / petroleum | 1 |
Oil processing plants | 2 |
Space | 1 |
Technology | 5 |
Telecommunications | 1 |