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矿场迹地土壤恢复整理利用
释义
矿场迹地土壤恢复整理利用
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农学
矿场迹地土壤恢复整理利用
释
regradation and utilization of waste land in mining areas
矿场迹地土壤恢复整理利用
对矿山开采造成损毁、退化的土壤,采取综合整理措施,使其达到可利用状态的活动。
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closed convex functional
closed convex hull
closed convex hypersurface
closed convex set
closed convex surface
closed covering
closed current
closed curve
closed-curve problem
closed cycle
closed cycle engine
closed-cycle refrigerator
closed differential
closed differential field
closed differential form
closed differential relation
closed disk
closed domain
closed drain system
closed-easy-axis
closed economy
closed ecosystem
closed edge sequence
closed edge train
closed elastic drive
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