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 林龄 [lín líng添加此单词到默认生词本
[林] age of stand

  1. 但随着林龄的增加,林分密度愈来愈大,一是影响结果率;
    However, as the age and density increasing, it is easy to decrease the fruit production and to be suffered by diseases and insect pests.
  2. 叶、枝、根、干的灰分含量随林龄的增大有减小的趋势,而干重热值则相反;
    The AC of leaf, branch, root and stem increased as the stand ages increased, the GCV of them changed oppositely.
  3. 多元线性回归分析表明,林龄、林分密度、草本生物量可解释枯枝落叶现存量变化的90.6%。
    Using multi-factor linear regression, plantation age, herb biomass and density together could explain 90.6% of the variation in the undergrowth biomass of C. lanceolata.



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