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水耕表层
释义
水耕表层
Encyclopedia
农学
土壤诊断表层
释
anthrostagnic epipedon
水耕表层
在淹水耕作条件下形成的人为表层。包括耕作层和犁底层。是中国土壤系统分类中的诊断表层之一。
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pole of a polar system
pole of a quadratic differential
pole of a quadric hypersurface
pole of a quadric surface
pole of a Riemannian manifold
pole of a rolling curve
pole of a sphere
pole of a system
pole of a system of coordinates
pole of figure
pole of first order
pole of orbit
pole of order n
pole of projection
pole of rotation
pole of the ecliptic
pole of the equator
pole of the hyperplane
pole-on
pole on a ball
pole-on object
pole-on star
pole orbit
pole placement
pole placement self-tuning regulator
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