“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	scale insects scale invariance scale-invariance scale invariant feature transform scale invariant function scale-invariant perturbation scale-invariant spectrum scale leaf scale length scale level scale mark scale measure scale model scalene scalene spherical triangle scalene triangle scalenohedron scalenus scale of a map scale of community unit scale of foreign capital utilization scale of geological survey scale of mineral resources scale of pasture water supply scale of segregation

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。