三维地质结构模拟可以表达复杂的地质构造形态，反映构造要素之间的空间关系。
The geological structure simulation of the three-dimension can express the complicated geological structural configuration, and reflect the spatial relationship among the structural elements.
临床医学中常需要对复杂的面部形态进行三维特征提取，并按照统计学的方法，对多个特征变量进行统计学分析。
Three dimensional character acquisition of complicated facial modality is needed in clinical environment, and multi-characteristic variables need to be analyzed according to statistics methods.
由于其几何形态的复杂性，这也是三维地学信息可视化的一个难点。
Its complexity of geometric shape is a difficulty in the visualization of 3d geological information.
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