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This all amounts to heightened activity and noise levels, which have the potential to be particularly serious for children experiencing auditory function deficit.

所有这一切都意味着活动量和噪音水平增加，这对有听觉功能缺陷的儿童来说有更加严重的潜在影响。

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Campaigners in the well-heeled borough have also sought a reduction in permitted noise levels.

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Company director Michael McKenna said tests had been carried out and noise levels would be minimal.

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Noise levels remained more or less constant the whole time, suggesting that verbal messages were not as important.

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