The correlation analysis indicated that the number of PWN had significant and positive relation with the weight of stumps.

 
  • 對伐樁內松材線(xiàn)蟲(chóng)數量與伐樁樣品質(zhì)量的相關(guān)分析表明兩者呈極顯著(zhù)的正相關(guān)。
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