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释义
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Encyclopedia
农学
覆盖
释
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农业生产中,为减少由土表蒸发引起的水分无效损失而对土壤表面进行遮盖的过程。
理学
盖度
释
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盖度
植物地上器官(叶、茎、枝及花果)的水平投影面积所占样地面积的比例。又称投影盖度。
Physics
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①凇层 ②覆盖层 ③覆盖
Mathematics
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direct photon
direct pipe method
direct plan
direct plate
direct plummet observation
direct policy search
direct potentiometry
direct power
direct prism
direct probability integral method
direct problem
direct product
direct product algebra
direct product decomposition
direct product factor
direct product group
direct product G-set
direct product lattice
direct product Lie group
direct product mapping
direct product module
direct product of algebras
direct product of distributions
direct product of groups
direct product of modules
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