One way out of this may be a second curious physical phenomenon, the thermoelectric effect.

解决这个问题的方法之一可能是第二种奇特的物理现象，热电效应。

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One way out of this may be a second curious physical phenomenon—the thermoelectric effect.

解决这个问题的方法之一可能是第二种奇怪的物理现象——热电效应。

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Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.

另一项实验表明，体育运动——尤其是剧烈的运动——可以使呼吸频率增加一倍，但这对打哈欠的频率没有影响。

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And the smaller the physical distance between friends, the larger the effect they had on each other's happiness.

VOA: special.2009.01.21

How many people know that three times a week physical exercise,30 minutes each time has the same effect ? as our most powerful psychiatric drugs?

多少人知道，每周三次,体育锻炼，每次三十分钟，与最强劲的精神药物,有同样的效果？

哈佛公开课 - 幸福课课程节选

He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.

VOA: special.2010.03.04

Ride 2 Recovery and Team RWB use the therapeutic effect of physical training to repair the physical and mental wounds of war.

WHITEHOUSE: The Changing Face of Veteran Reintegration

First, it has removed the physical impediment and refactored it with a combination of software and hardware that replicates the effect of the physical object at a higher level of functionality.

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And it has a physical effect on brain function and transmission by altering chemical pathways, like those involving adenosine.

BBC: Coffee may prevent depression, scientists say