The results showed that patients with more frequent sleep spindles were better able to tolerate noise; it took higher-decibel sounds to disrupt their sleep patterns.

实验结果表明，出现更多睡眠纺锤波的实验者能较好地容忍噪声；于是用高分贝噪声干扰他们的睡眠。

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In people who produce more frequent spindles, there's a better chance that a noise will encounter this sensory blockade.

对于频繁形成纺锤波的人来说，应有更多机会从感官上阻挡噪声进入。

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We make a comparison in tailpipe noise between straight pipe and muffler, it is seen that there is a sharp peak in low frequent.

通过直管噪声与带消声器的尾管声压级的对比，发现在低频段有一峰值。

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"Day" centers on a barely visible Apollo and the horses of his Quadriga a frequent subject throughout Redon's career but otherwise is devoid of human figures and their noise.

WSJ: Gary Geipel: The Late Blooming of Odilon Redon