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Chernozem
释义
Chernozem
Encyclopedia
农学
黑钙土
释
Chernozem
黑钙土
温带半干润气候地区草原植被条件下形成的,表层具有深厚腐殖质层、下部具有钙积层或石灰反应的土壤。在中国土壤系统分类为均腐土纲,半干润均腐土亚纲;在美国土壤系统分类中,黑钙土属于软土纲的多种类型:冷冻性冷凉软土、黏化冷冻软土、钙化冷凉软土、黏化半干润软土、弱发育半干润软土、钙质半干润软土等。
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root-mean square speed
root-mean-square speed
root-mean-square speed, rms speed
root mean square value
root-mean-square value
root mean square velocity
root morphyology
root node
root nodule
root nodule bacteria
root nodule organogenesis
root of a building
root of a cardinal number
root of a chamber complex
root of a derivative
root of a Lie algebra
root of a Lie group
root of an algebra
root of an algebraic group
root of an equation
root of a number
root of a polynomial
root of a root system
root of a tree
root of common baphicacanthus
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