“permafrost degradation”的概念、定义、翻译、参考文献-科学参考

单词	permafrost degradation
释义	permafrost degradation Encyclopedia 工学冰冻圈变化释 permafrost degradation冻土变化冻土指温度低于0℃并含有冰的土或岩层。全球不同地区冻土在面积、温度、活动层厚度等方面均有一定差异。
随便看	National American Woman Suffrage Association National Amusements National and Kapodistrian University of Athens National Animal Disease Center National Animal Quarantine Institute, Ministry of Agriculture of the People's Republic of China National Anthem national anthem National Aquatics Center National Aquatics Center (Water Cube) National Archaeological Museum of Athens National Archives and Records Administration National Archives and Records Centre Act of Singapore National Archives and Records Service of South Africa National Archives of Australia National Archives of Brazil / Arquivo Nacional National Archives of Finland National Archives of India National Archives of Japan National Archives of Korea National Archives of Malaysia National Archives of Pakistan National Archives of Russian Federation National Archives of Singapore national archives of Spain National Archives of Sweden

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