“permafrost region of northeast China”的概念、定义、翻译、参考文献-科学参考

单词	permafrost region of northeast China
释义	permafrost region of northeast China Encyclopedia 理学中国的冻土释 permafrost region of northeast China东北多年冻土区位于欧亚大陆多年冻土区的南缘地带，面积约39万平方千米，介于北纬46°30′～53°30′，海拔几百米至1000米上下。冻土年均温度（指地温年变化层底部的温度）大多在-1.5～0℃，最低-4.2℃；地温年变化深度12～16米。冻土厚度亦随纬度降低而减小，大多在50米以下，最厚达百米。
随便看	communication behavior of livestock communication between genders communication cable communication censorship communication channel communication complexity communication contral communication control processor communication countermeasure system communication deviation analysis communication diagram communication disorder communication-driven decision support system communication effect communication electronic warfare communication electronic warfare reconnaissance communication flow communication for command and control communication function communication in fire scene communication intelligence communication in the organizations communication jamming communication jamming countermeasures communication key

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。