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国际自然和自然资源保护联合会 |
International Union for Conservation of Nature and Nature Resources: 10 phrases in 8 subjects |
Animal husbandry | 1 |
Earth sciences | 2 |
Ecology | 1 |
Environment | 1 |
General | 1 |
Hydroelectric power stations | 1 |
Name of organization | 2 |
Water resources | 1 |