The technique of Interactive Network 3-D Animation is widely used and works very well in computer aided teaching and training.

交互式网络三维动画，在计算机辅助教学和训练方面有广阔的应用和良好的表现。

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In many scientific areas such as computer animation, computer graphics, computer aided geometry design and robot, it is very common to detect the positional relationship of several entities.

在计算机动画、计算机图形学、计算机辅助设计、机器人等领域中，经常需要检测多个实体间的位置关系。

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In many scientific areas such as computer animation, computer graphics, computer aided geometry design and robot, it is very common to detect the positional relationship of several entities.

在计算机动画、计算机图形学、计算机辅助设计、机器人等领域中，经常需要检测多个实体间的位置关系。

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