“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	waterproof motor waterproof of concrete structure joints waterproof of construction joints waterproof of deformation joints waterproof of post-pouring belt waterproof permeable layer waterproof sealing material waterproof textile materials for architecture water pump water puppets water purification project water purification structure water quality water quality analysis water quality and sampling water quality assessment water quality assessment of transboundary water section water quality automatic monitoring system water quality buoy water quality detection water quality evaluation water quality forecasting water quality for mariculture water quality grade water quality index

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