Firstly, RAC and K-means clustering method are combined in this algorithm by the way of searching pre-matches feature points, which are called the cluster point set, of the unknown model.

此算法首先结合RAC和K -均值聚类方法对未知模型的特征点进行预匹配，得到的匹配结果称为聚类点集。

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If I get you down to a cluster of about 30 water molecules, the boiling point is a function of the size of the water droplet.

如果对于一个由30个水分子,组成的簇，沸点是,水珠尺寸的函数。

麻省理工公开课 - 固态化学导论课程节选

Online customers will cluster around the point of execution in any market segment.

ECONOMIST: Letters

Mr. SHADID: The Israeli officials have made the point that cluster bombs are not banned under international law, which is correct.

NPR: Cluster Bombs a Vestige of Israel's Lebanon Fight

The optimists point to a buoyant property market and the region's cluster of high-tech investments.

ECONOMIST: Under the shiny surface, a real mess awaits the victor