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初选候选树
在林龄、环境一致或相近的群体中,根据性状指标,经踏查和目测等方法初选出表现优良的单株树木。又称候选树。
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projective product
projective property
projective quadric
projective relation
projective representation
projective resolution
projective scale
projective scaling method
projective scheme
projective second-order curve
projective set
projective space
projective space over a scheme
projective special linear group
projective special orthogonal group
projective special unitary group
projective spectrum
projective spectrum of a ring
projective stationary set
projective straight line
projective structure
projective subcone
projective subspace
projective surface
projective symplectic group
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