三江源国家自然保护区的重要性何在？
What is the importance of "National Nature Reserve of Three Rivers Source"?
对壶瓶山国家自然保护区水环境进行了研究。
The water environment of Hupingshan Nature Reserve was researched.
九寨沟既是自然保护区，国家级风景名胜区，又是世界人类自然遗产。
Both Jiuzhaigou Nature Reserve, National Scenic Area, is the world's natural heritage of mankind.
九寨沟既是自然保护区，国家级风景名胜区，又是世界人类自然遗产。
Both Jiuzhaigou Nature Reserve, National Scenic Area, is the world's natural heritage of mankind.
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