After a time the electrical activity again increases and is accompanied by rapid eye movements and deep relaxation of your muscles.

经过一段时间电活动的再次增加，是伴随快速眼球运动和深的放宽，您的肌肉。

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Some smokers know that nicotine increases the brain activity pattern associated with relaxation and that in low doses it can stimulate certain nerve cells that produce feelings of alertness.

有些吸烟者知道尼古丁增强与精神放松有关的大脑活动模式，还知道小剂量的尼古丁能刺激产生机敏警觉感的神经细胞。

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The relaxation time increases with distance between two porphyrin rings and the results provide an evidence of formation of the complex.

同时，随着两卟啉环的距离增大，电子自旋弛豫时间变长，证实了双铁卟啉络合物的形成。

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