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electronic radar |
电子雷达 : 90 phrases in 13 subjects |
Air defense | 14 |
Aviation | 15 |
Earth sciences | 2 |
Electronics | 25 |
Exhibitions | 1 |
General | 4 |
Geophysics | 1 |
Nautical | 3 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 16 |
Technology | 5 |
United States | 2 |