“umbric epipedon”的概念、定义、翻译、参考文献-科学参考

单词	umbric epipedon
释义	umbric epipedon Encyclopedia 农学土壤诊断表层释 umbric epipedon暗瘠表层有机碳含量高或较高，但盐基不饱和的暗色腐殖质表层。与暗沃表层相对应。中国土壤系统分类诊断表层之一。
随便看	circumscribed figure circumscribed halo circumscribed polygon circumscribed polyhedron circumscribed prism circumscribed pyramid circumscribed quadrilateral circumscribed regular polygon of circle circumscribed sphere circumscribed triangle circumscribing circumscribing cylinder circumscriptable quadrilateral circumscription circumsolar circumsolar flight circumsolar orbit circumsolar satellite circumsolar space circumsolar trajectory circumsphere circumstances of eclipse circumstances of meteorite fall circumstellar circumstellar astrophysics

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