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area distribution | |||
areal distribution |
地区 分 布 : 21 phrases in 12 subjects |
Agriculture | 3 |
Animal husbandry | 1 |
Aviation | 1 |
Commerce | 1 |
Desert science | 2 |
Economy | 1 |
General | 1 |
Genetics | 2 |
Horticulture | 1 |
International trade | 1 |
Space | 1 |
Technology | 6 |