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收报机只收报不发报 | |||
接收专用; 单收 | |||
只接收 | |||
只收不发 | |||
只收; 只接收的 | |||
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只接收; 单收; 隐蔽的 |
receive only : 65 phrases in 12 subjects |
Agriculture | 2 |
Air defense | 13 |
Aviation | 3 |
Computers | 1 |
Electronics | 19 |
Information technology | 3 |
Metallurgy | 1 |
Project management | 1 |
Radio | 1 |
Space | 10 |
Technology | 8 |
Telecommunications | 3 |