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environmental protection.
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- environmental policy (2)
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著者:
Committee on Haze in National Parks and Wilderness Areas
Board on Environmental Studies and Toxicology
Commission on Geosciences
Environment
and Resources
National Research Council.
出版社:
National Academy Press,
出版日期: 1993.
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著者:
Committee on Antarctic Policy and Science
Polar Research Board
Commission on Geosciences
Environment
and Resources
National Research Council.
出版社:
National Academy Press,
出版日期: 1993.
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