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The differences between most of the groups were statistically insignificant; however, the participants in the 70 decibels group—those exposed to a level of noise similar to background chatter in a coffee shop—significantly outperformed the other groups.

大多数组彼此之间的差别在统计上并不明显；然而，70分贝组的参与者——那些被置于类似咖啡店背景谈话声的噪音水平中的参与者——其表现明显好于其他组。

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The level of noise we hear also depends on the Angle and distance of the shell from the ear.

我们听到声音的大小同时也取决于贝壳与耳朵的角度及距离。

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