“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	absolute spirit absolute square absolute stability absolute standard absolute star catalogue absolute summability absolute surplus value absolute symmetry absolute system of neighborhoods absolute temperature absolute temperature scale absolute tensor absolute tensor field absolute term absolute terms absolute threshold absolute time absolute topological property absolute torsion absolute total curvature absolute uniform convergence absolute unit absolute universals absolute value absolute value of a complex number

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。