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hand portable unit | |||
portable device | |||
portable equipment |
便携设备 : 32 phrases in 12 subjects |
Air defense | 1 |
Aviation | 6 |
Communications | 2 |
Cryptography | 3 |
Earth sciences | 2 |
Electronics | 3 |
Geophysics | 1 |
Nautical | 1 |
Shipbuilding | 1 |
Space | 2 |
Technology | 9 |
Telecommunications | 1 |