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黑钙土
释义
黑钙土
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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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wireless communication integrated test instrument
wireless communication network
wireless communication security
wireless communication system of urban rail transit
wireless communication test instrument
wireless data link relative navigation
wireless data transmission
wireless expansion module
wireless fidelity
wireless fidelity positioning,WiFi positioning
wireless fidelity, WiFi
wireless fidelity,WiFi
wireless field inspection system in concentrator
wireless geophone
wireless laser communication
wireless link
wireless local area network
wireless local area networks protocol
wireless local area network, WLAN
wireless local area network,WLAN
wireless markup language
wireless markup language, WML
wireless mesh network
wireless metropolitan area network
wireless metropolitan area network, WMAN
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