It shows that using the three dimension laser scanning and mapping system for measuring tree crown volume is practical and applicable.
研究表明，利用三维激光扫描系统测量树冠体积具有较强的实践意义和应用价值。
The "crown diameter-crown height" correlation equations and the formulas of three-dimensional vegetation quantity of tree crown are established.
建立常见绿化树种“冠径—冠高”相关方程和树冠绿化三维量计算公式。
The POD activity have a strikingly negative relationship with the height of tree, trunk girth, diameter of crown, the volume of the tree crown, and the dwarfed nature of the stocks.
POD活性与树高、干周、冠径、树冠体积呈显著负相关，与砧木的矮化性呈负相关。
The intensity of light inside the tree crown influence flower bud of the tree body, bloom, fruit-setting, yield and quality of the fruit.
树冠内光照强度直接影响树体的花芽形成、开花坐果、果实的产量、质量。
Furthermore, the relationships among contribution of different layers of tree crown to light absorption, dynamic analysis of tree crown structure and thinning as well as pruning were discussed.
并就不同冠层对光吸收的贡献与树冠结构动态分析及抚育间伐修枝方面的关系进行了讨论。
Tree crown volume is widely applied in forestry and other fields.
树冠体积在林业及其他领域得到越来越广泛的应用。
Tree crown form and canopy structure of the tussah-feeding oak forest are important influencing the photo-productivity of the stands.
柞蚕场的树冠类型和冠层结构是影响蚕场光合生产力的主要因素之一。
Tree crown form and canopy structure of the tussah-feeding oak forest are important influencing the photo-productivity of the stands.
柞蚕场的树冠类型和冠层结构是影响蚕场光合生产力的主要因素之一。
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