实验表明，该算法使检索效率得到飞速提升，实现海量视频的快速查询。
Experimental results verify that the detection efficiency is deeply increased and the fast query in a huge number of videos is achieved.
通过有效的数据结构设计保证网格拓扑关系的快速查询，提高算法的时间效率。
Owing to a set of data structures for tetrahedral mesh, high efficiencies of the improvement algorithm is guaranteed.
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