“永冻层次”的概念、定义、翻译、参考文献-科学参考

单词	永冻层次
释义	永冻层次 Encyclopedia 农学永冻层次释 permafrost layer永冻层次土壤圈中持续多年常年土温≤0℃、处于冻结状态的层次。包括土壤或岩石，以及冰或有机物质。
随便看	electric charge electric chick brooder electric circuit electric circuit foundation electric classification electric compression heat pump electric concrete vibrator electric conductance electric conducting material electric conductivity of charged Brownian particle system electric conductivity of electrolyte solution electric conductivity of fiber electric control microwave device electric control Unit electric current electric current focused logging device electric current helicity electric current sensor electric current strength electric curtain electric curtain of standing wave electric curtain of travelling wave electric death electric deflection electric dehydration

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。