“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	governing equation of flow heat transfer governing equations for convective heat transfer governing exterior to infer interior governing stage governing with the news government government 2.0 government 2.0 task force report government accounting government accounting standards government advertising Government Affairs Committee of Xikang government affairs microblog government affairs processing government affairs service user behavior analysis system government agencies library governmental authority governmental bonds Governmental electronic commerce procurement/ electronic commerce for public sector purchasing governmental image governmentality governmental management of environment governmental responsibility on environment and resources government application support technology government appointment as an incentive for donation

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