针对点曲面的视点相关绘制问题，提出了一个新的表面基层次聚类简化算法。

This paper proposes a novel algorithm for surface-based hierarchical clustering simplification that aims to accelerate view-dependent point set rendering.

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热封：把两层或多层表面融合为一的方法。它是把涂层或基层材料在固定的温度、压力和接触时间下进行。

Heat sealing: a method of uniting two or more surfaces by fusion either of the coatings or of the base materials under control led conditions of temperature pressure and dwell time.

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结论监狱基层男性警察在情绪劳动表现策略中最经常使用的自然表现，其次是深层表现，最后是表面表现。

Conclusion Prison basic-level male police in emotional labor performance strategy, the natural performance is the most frequently used, followed by deep expression, finally is surface performance.

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