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等高栽植
释义
等高栽植
Encyclopedia
农学
等高栽植
释
contour planting
等高栽植
在山坡、丘陵造林,以等高线为基准的一种栽植方法。
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nullisome
nullisomic
nullisomy
nullity
nullity index
nullity of a critical point
nullity of a graph
nullity of a linear mapping
nullity of a linear operator
nullity of a linear transformation
nullity of a link
nullity of a manifold
nullity of a matrix
nullity of an operator
nullity of a space
nullity of a transformation
null line
null matrix
null method
null model
null morphism
null mutation
null object
null object of a category
null-pair
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