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单词
shelterwood cutting
释义
shelterwood cutting
Encyclopedia
农学
〔森林主伐与更新〕
释
shelterwood cutting
渐伐
在不超过一个龄级期限内,分2~4次伐掉伐区上全部成熟林木的森林主伐方式。又称遮阴木法或伞伐法。
随便看
weight lowering operator
weight method
weight module
weight-monodromy conjecture
weight of a Boolean algebra
weight of a determined function
weight of a functional element
weight of a genetic algebra
weight of a linear transformation
weight of a matrix
weight of a measurement
weight of a modular form
weight of an automorphic form
weight of an integer
weight of an invariant
weight of a polynomial
weight of a quadrature formula
weight of a rational representation
weight of a relation
weight of a relative tensor
weight of a representation
weight of a semi-invariant
weight of a space
weight of a tensor
weight of a tensor density
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