“permafrost layer”的概念、定义、翻译、参考文献-科学参考

单词	permafrost layer
释义	permafrost layer 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。 Astronomy permafrost layer永冻层
随便看	strictly positive element strictly positive function strictly positive functional strictly positive measure strictly positive sequence strictly pseudoconvex function strictly quasi concave function strictly quasi-concave function strictly quasi convex function strictly quasi-convex function strictly quasiconvex function strictly quasi-ordered class strictly regular transfer function strictly stable process strictly stationary process strictly triangular matrix strictly upper triangular matrix strict majorant strict management system of water resources strict maximum strict maximum point strict minimum strict minimum point strict monotonicity strict morphism

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