但是，研究者强调说，这些研究都处于起步阶段，分析中自闭症和母体因素之间的关系还没有达到统计意义上的显著性水平，这些研究没有考虑到样本的权重。

The researchers stressed, however, that the findings were preliminary and that the association did not reach statistical significance in an analysis where they did not apply the sampling weights.

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研究人员发现当把头发放在自然带有黄金而又没有细菌的土壤中培养时，它的金子的含量不会达到任何有统计学意义的水平。

The researchers found gold levels did not increase in the hair to any statistically significant degree when it was incubated without the microbes in naturally gold-laden soils.

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对所有专业领域词汇的理解与阅读水平之间有显著的统计学意义（p<0.001）。

Comprehension of terms from all domains was statistically significantly correlated with reading level (P < . 001).

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