“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	double reheat cycle Double Reheat Rankine Cycle double resonance double-resonance double reversal double-ring galaxy double ringing slotter double root double row scaffold doubler stage double salt double sampling double sampling inspection double scale double scaling limit double sculls of Summer Paralympics double semitrailer road train double sequence double sequential probability ratio test double series double series theorem double-shaped vase double shield rock tunnel boring machine double-shift school double sideband modulation and demodulation

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。