用户设备: 81 phrases in 13 subjects |
Aviation | 7 |
Computer networks | 4 |
Computers | 1 |
Earth sciences | 1 |
Electronics | 26 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Geophysics | 2 |
Information technology | 4 |
Project management | 2 |
Space | 5 |
Technology | 9 |
Telecommunications | 18 |