“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	internal stress of secondary lining internal structure internal structure of fault zone internal structure of planets and moons internal subset internal supervision system internal surface internal symmetry internal tangency internal tangent internal target internal temperature internal term internal terms of proportion internal thermal history of the earth internal thermal resistance internal three conformities internal tide internal transactions internal transcribed spacer internal transcribed spacers Internal transfer price internal transformation internal treatment internal turret mooring system

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