This paper based on vegetation growth rule, and realize the platform for cartoon game model of virtual forest.
本文主要以植被生长规律为依据，构建并实现面向动漫游戏平台的虚拟森林模型。
By the statistical analysis method, the authors researched the growth model and cutting age of masson pine natural forest with the sample plot inventory data.
根据标准地调查资料，应用统计分析方法研究生长模型，并结合森林经营实际确定采伐年龄。
A transfering probability matrix model of linearly generalized diameter growth was used to deal with the tree species composition problem of mixed unevenly aged forest.
对直径生长转移概率矩阵模型进行了线性扩展，用以研究混交异龄林的树种组成问题。
Establishing the growth model was an effective approach to study the growth law of forest tree.
建立生长模型是研究林木生长规律的有效手段。
By giving growth model management and maintenances, it carried out a quantitative support and assistance decision for the forest worker and researcher.
通过对林业生长模型的管理和维护，实现了为林业工作者和生长模型研究者提供定量化支持和辅助决策的功能。
At last, this paper will also apply the stand density model established with artificial neural network in asset assessment of forest resources and the estimation of growth and harvest.
最后，本文还将把人工神经网络建立的林分密度模型用于森林资源资产评估，进行生长收获的预估。
It is worth while to apply the gray system model to predict the forest growth in practice.
在林业生产实践中，用灰色系统模型预测人工林材积生长率有其适用价值。
Studies of those aspects all over the world were summarized and the model studies actuality of effects on forest growth by thinning were introduced briefly.
对国内外学者在这些方面的研究进行了综述，简单介绍了抚育间伐对森林生长影响的模型研究进展情况。
Result shows, This competition index is suitable to Chinese fir man-made forest, and individual tree growth model accords with the demands of accuracy, it can be used to estimate growth of stands.
结果表明：该竞争指标对杉木人工林适用，所建立的单木生长模型符合精度要求，可用于预估林分生长。
Result shows, This competition index is suitable to Chinese fir man-made forest, and individual tree growth model accords with the demands of accuracy, it can be used to estimate growth of stands.
结果表明：该竞争指标对杉木人工林适用，所建立的单木生长模型符合精度要求，可用于预估林分生长。
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