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Chernozem
释义
Chernozem
Encyclopedia
农学
黑钙土
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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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metal serrated gasket
metals heat treatment
metalsmith
metal spring gravimeter
metal spring vibration isolator
metal stable isotope
metal star
metalster
Metal Storm
metal structure of pumping station
metal sulfur cluster
metal surface bioactivation
metal surface cleaning agent
metal surface degreaser
metal surface plasmon polariton
metal surface regulator
metal surface treatment chemical
metal tank
metal thermal reduction to preparation of rare earth metal
metal thick-film nitride-silicon
metal tin
metal to ligand charge transfer
metal-to-metal adhesive
metal traces in fire scene
metal transporter
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