![]() |
操作指令: 86 phrases in 17 subjects |
Air defense | 1 |
Aviation | 8 |
Business | 1 |
Computers | 1 |
Electronics | 13 |
General | 3 |
Information technology | 11 |
Mathematics | 1 |
Metallurgy | 1 |
Multimedia | 1 |
Oil / petroleum | 1 |
Oil processing plants | 3 |
Project management | 2 |
Securities | 1 |
Space | 13 |
Technology | 21 |
Telecommunications | 4 |