crown closure 树冠郁闭 ; 郁闭 ; 皇冠盖 ; 汽水瓶盖
forest crown closure 森林郁闭度
Metal Closure Crown Cop 金属瓶管
crown cork closure 冠状软木瓶盖
It is concluded that the semivariogram method of spatial statistics may be as an effective means of estimating the crown of pure forest stand with relative high crown closure.
结果表明：空间统计学半方差方法可以作为郁闭度较高纯林林分冠幅估计的一种有效方法。
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