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单词
土地退化
释义
土地退化
Encyclopedia
农学
土地退化
释
land degradation
土地退化
受自然因素和人类活动的干扰、土地的结构组成和理化性状改变,导致地力降低的现象。
理学
土地退化
释
land degradation
土地退化
土地受到人为因素或自然因素或人为、自然综合因素的干扰、破坏而改变土地原有的内部结构、理化性状,土地环境日趋恶劣,逐步减少或失去该土地原有的综合生产潜力的演替过程。
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concept attainment
concept car
concept content and context model
concept content and context model, 3C model
concept dependency diagram
concept design
concept dictionary
concept-drifting
concept formation
Concept-Generating Matrix
concept hierarchy
conception
conception channel
conception index
Conception of Management of Stated-owned Information Resources(2000)
conception of society and history
Conception of State Regulation and Control of Non-State-Owned Information Resources
conception rate
conception vessel
concept learning
concept map
concept of ecological values
concept of magnetism
concept of nagnetism
concept of taking photography as a weapon
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