Bounding volume hierarchy provides an effective method to resolve the intrinsic time complexity in collision detection.

包围盒层次是解决碰撞检测问题固有的时间复杂性的一个有效途径。

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First, the algorithm constitutes layered bounding box tree according to some rules, when making collision detection, the detection results of last time, will produce speedup effect.

该算法首先按照一定的规则建立起树形分层包围盒，在碰撞检测的时候，可利用上次的检测结果，起到了加速的作用。

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The experiments on the effects of LB_HUST show that, LB_HUST can be used as a compacted and symmetrical DTW lower bounding function, and has a better output in the time series clustering.

实验结果表明，LB_HUST不仅是时间序列基于DTW计算的一种紧密而对称的下界函数，而且在时间序列聚类中能够取得较好效果。

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The experiments on the effects of LB_HUST show that, LB_HUST can be used as a compacted and symmetrical DTW lower bounding function, and has a better output in the time series clustering.

实验结果表明，LB_HUST不仅是时间序列基于DTW计算的一种紧密而对称的下界函数，而且在时间序列聚类中能够取得较好效果。

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