Experts at NOAA say that effects of noise on marine mammals are not well understood.

美国国家海洋和大气局的专家表示，很多人都不知道噪声对海洋生物的影响。

But this example shows the potential costs of a signal error and the importance of studying the effects of noise on those strategies.

但这个例子显示了信号错误的潜在成本以及研究噪声对这些策略的影响的重要性。

But a new study published this week in the journal PNAS has found a chemical trick that might help block the harmful effects of noise on our ears.

但是本周发表在 PNAS 杂志上的一项新研究发现了一种化学方法，可能有助于阻止噪音对我们耳朵的有害影响。

A recent survey of the effects of noise revealed (surprisingly? ) that dogs barking incessantly in the night rated the highest form of noise pollution on a scale ranging from 1 to 7.

最近一个有关噪音的作用的调查（令人吃惊地）指出，夜间连续不断的狗叫声，在一个从1级至7级刻度表上应列为最严重的噪间污染。

This result merely confirms earlier American and British studies: if there is any effect of noise upon mental health, it must be so small that present methods of psychiatric diagnosis cannot find it.

如果噪音对精神健康有影响的话，那也一定是微乎其微，以致现代的精神病诊断方法还发现不了。