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black area |
黑区 : 28 phrases in 14 subjects |
Air defense | 2 |
Animal husbandry | 1 |
Aviation | 2 |
Desert science | 2 |
Ecology | 3 |
Fishery fishing industry | 1 |
General | 3 |
Latin | 1 |
Name of organization | 1 |
Nautical | 1 |
Shooting sport | 1 |
Space | 4 |
Telecommunications | 5 |
United Nations | 1 |