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conservancy district; conservation area; protected area |
保护地区 : 41 phrases in 10 subjects |
Business | 1 |
Desert science | 1 |
Earth sciences | 2 |
Ecology | 7 |
Economy | 1 |
Environment | 1 |
Fishery fishing industry | 2 |
Name of organization | 6 |
Technology | 12 |
United Nations | 8 |