Within an hour of a person falling asleep, slow waves will have covered his entire cortex, affecting every nerve cell in it.

在人入睡后的一小时内慢波将覆盖其整个大脑皮层，并影响其中的每个神经细胞。

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The fast and slow waves can both propagate in the waveguide system.

快波和慢波都可以在这种波导中传播。

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Your brain will show the large slow waves that are known as the delta rhythm. This is stage 4 sleep.

大脑将处于称为德尔塔节律的最慢波频，这就是第四睡眠期。

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Then you get successively deeper, II through IV, slow, irregular, high amplitude delta waves, and then once you reach stage IV you start going up again, up through stage III and II.

然后睡得越来越深，从第二到第四阶段，慢，不规则，高振幅的δ波，等你到达第四阶段，你又开始返回，第三阶段和第二阶段。

耶鲁公开课 - 心理学导论课程节选

Within an hour of a person falling asleep, slow waves will have covered his entire cortex, affecting every nerve cell in it.

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This fitted the prediction that the downscaling slow-waves would be strongest in those parts of the brain where the most changes had taken place during the day.

ECONOMIST: Memory formation

It said independent tests in Arctic conditions have shown that ice can slow oil weathering, dampen waves, prevent oil from spreading over large distances, and allow more time to respond.

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