“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	very long baseline Very Long Baseline Array Very Long Baseline Interferometer very long baseline interferometer very long baseline interferometer, VLBI Very Long Baseline Interferometry very long instruction word very long instruction word processor very long instruction word processor, VLIW processor very long instruction word, VLIW very long instruction word，VLIW very long period very-long period very long wave transmission system very low bit-rate coding very low density lipoprotein very low density lipoprotein (VLDL) very-low-freguency radiation in magnetosphere very low frequency very low frequency electromagnetic field very low frequency electromagnetic method very low-frequency electromagnetic method very low frequency measurement very low frequency meter very-low-grade metamorphism

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