The sample collection approach for modeling of single-tree biomass equations was studied in this paper.
从建立全国立木生物量模型的实际需求出发，对建模样本数据的采集方法进行专题研究。
The power regression equations were obtained using the biomass data of leaves, stems, twigs, flowers, cones, and barks, respectively.
根据叶、枝、干、花果和皮的生物量数据 ，分别获得了幂回归方程。
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