“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	local category local cell local characteristic local chart local chronicles Local Chronicles of Guangdong in Qing Dynasty Local Chronicles of Henan local circuit Local City,Prefecture and County local civil time local class field theory local close packing Local cluster of galaxies local coding principle local coefficient local coefficient group local cohomology local command organization local committee of the Communist Party of China local compactness local condition local connectedness local connection form local connectivity local constraint

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