“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	incidence pair incidence-preserving map incidence-preserving mapping incidence rate incidence rate of cancer incidence relation incidence structure incidence surface incidence system incidence table incidence vector incident Incident across Somali-Kenyan Border incidental incidental civil action in criminal proceedings incidental defect incidental music incidental new information incidental parameter incidental product contact incidental prominence incidental species incident angle incident angle of satellite/view point of satellite incident beam

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。