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radio determination |
无线电测定 : 27 phrases in 13 subjects |
Agriculture | 2 |
Air defense | 2 |
Automated equipment | 1 |
Aviation | 2 |
Drilling | 1 |
Earth sciences | 1 |
Electronics | 2 |
General | 2 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 3 |
Technology | 8 |
Telecommunications | 1 |