| |||
track while scan | |||
sweep trace | |||
track while scanning | |||
track-while-scan | |||
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track-while-scan | |||
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track-while-scan radar |
扫描 跟 踪: 60 phrases in 8 subjects |
Air defense | 9 |
Aviation | 8 |
Electronics | 14 |
Geophysics | 2 |
Information technology | 1 |
Metallurgy | 2 |
Space | 17 |
Technology | 7 |