无线电信号既具有电的特性也具有磁的特性。

A radio signal has both electrical and magnetic properties.

《柯林斯英汉双解大词典》

事实上，不同的情绪状态会在面部肌肉和大脑中产生特定的脑电活动模式。

In fact, various emotional states give rise to certain patterns of electrical activity in the facial muscles and in the brain.

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脑电模式的变化表明，刺激正通过婴儿的中枢神经系统，并引发某种反应形式。

Changes in the electrical pattern of the brain indicate that the stimulus is getting through to the infant's central nervous system and eliciting some form of response.

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