圣元在那次三聚氰胺风波中召回了部分产品。
Synutra recalled some of its products during the melamine scare.
文介绍了一种聚类大型二元数据集合的快速算法，在该数据集合中数据点是高维的，并且大多数的坐标值为零。
This paper introduces a fast algorithm to cluster large binary data sets where data points have high dimensionality and most of their coordinates are zero.
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