“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	spectrum prediction/forecasting spectrum-preserving deformation spectrum problem spectrum radius spectrum-rate of variation relation spectrum renormalization Spectrum-Roentgen-Gamma spectrum scanner spectrum scanning spectrum sensing spectrum sensitivity spectrum sequence spectrum sharing spectrum-splitting solar cell spectrum temperature spectrum variable spectrum window specular specular density specular reflection specular reflection light specular reflector specular refraction specular scattering specular symmetry

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。