Results individual Growth model fitted better than the normal regression model, and it could analyze individual change over time at the individual level.
结果个体成长模型的拟合度比普通回归模型的拟合度要好，个体成长模型可在个体水平上分析个体随时间产生的变化。
This paper forms competition index by means of principle elements analysis and sets up individual tree growth model.
本文用主成分分析的方法构造竞争指标并建立单木生长模型。
Based on the site classification and site evaluation, the matrix models (size class model) and individual tree growth model was developed in this paper.
本文在对落叶松人工林进行立地分类和立地质量评价的基础上，建立了落叶松人工林的矩阵模型和单木生长模型。
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