结果表明，其抗压强度具有明显的随机性，频率分布里正偏态。

The results show that the strength characteristics is random, the frequency distribution is in positive skew distribution.

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结果正态性检验和频率分布曲线分析显示，所获数据符合或基本符合正态分布。

A normal distribution of our data was shown using the normality test and distribution curve.

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