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描图仪 : 23 phrases in 11 subjects |
Agriculture | 1 |
Animal husbandry | 1 |
Architecture | 1 |
Cartography | 1 |
Communications | 1 |
Earth sciences | 3 |
Information technology | 1 |
Military | 1 |
Oil / petroleum | 1 |
Space | 4 |
Technology | 8 |