大多数园林设计软件很难构建模型参数可变的三维树。
Constructing a 3d tree model which owns alterable parameters is difficult for most of garden design software.
研究人员使树蛇从15米高的塔顶端飞行，过程中使用了4个摄影机拍摄蛇滑行的轨迹，以拍摄成三维立体图像。
They launched the snakes from the top of a 15-metre tower and used four video cameras to construct 3-D images of the animals’ trajectories.
本文建立了一个更能反映肺支气管树三维特征的模型。
A three-dimensional model was developed in this thesis, in which the lung airway tree's characteristics can be described better.
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