据此，在利用材积密度法估计树干干重时，相同树种不同个体可以采用统一的平均密度值。
Same average density can be used to estimate stem dry weight of the same species of trees.
另一方面，排水法可用来精确求得树木任一部分的立方材积。
The displacement method, on the other hand, can be used to obtain accurately the cubic volume of any part of the tree .
另一方面，排水法可用来精确求得树木任一部分的立方材积。
The displacement method, on the other hand, can be used to obtain accurately the cubic volume of any part of the tree .
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