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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Yet similar support from workers' supervisors had no effect on mortality, the researchers found.

但是研究人员发现，上司们对员工表现出的类似支持姿态却对死亡率没有影响。

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The number of visitors outside an enclosure had no effect on the behaviour of the animals within it.

游人的人数对围场内动物的行为没有影响。

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His fame had no effect on him.

VOA: special.2010.03.27

The accident has had no effect on the open mining pit at Grasberg, he adds.

BBC: Freeport's Grasberg copper mine

They then found that increasing doses of cocaine had no effect on the flies.

BBC: Body clock link to cocaine addiction

Executive favorites, like adding more salespeople to help customers, had no effect on revenues.

FORBES: Shelf Smarts