“东北多年冻土区”的概念、定义、翻译、参考文献-科学参考

单词	东北多年冻土区
释义	东北多年冻土区 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	field first aid equipment field flattener field flattening field flattening correction field flattening lens field-flattening lens field flattening lens, field-flattening lens field flow fractionation field-flow fractionation field flow fractionation (FFF) field flow fractionation system field for relief field-free field free space field frequency field function field galaxy field galaxy luminosity function field gene bank field geological description field glass field heat balance field horsetail Field hospital field hospital equipment system

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。