该列有很多重复的值（频率统计信息），或者该列的值分布不均匀，即它们在某些局部是聚合的（分位数统计信息）。

The column has many duplicates (frequency statistics), or the values of the column are not evenly distributed, which means they are clustered in certain areas (quantile statistics)

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无机物蒙脱土由于自身的层状结构，在聚合物聚合中进行插层剥离形成纳米粒子，可以均匀分散在纤维中。

Due to its layer structure, the inorganic montmorillonite can stripe every other layers to form nanometer particles which can distribute in the fiber well.

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丙烯酸改性与乳化同时进行时，其聚合物链结构中软、硬段分布均匀；

Soft and hard segments in polymer chains were well-distributed when acrylate modification and emulsification performed at the same time.

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