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primitive | |||
Primitive system |
原始 系 : 17 phrases in 11 subjects |
Agriculture | 3 |
Cartography | 1 |
Earth sciences | 2 |
Economy | 1 |
Engineering geology | 1 |
Fishery fishing industry | 1 |
Information technology | 1 |
Mycology | 1 |
Oil / petroleum | 2 |
Space | 2 |
Technology | 2 |