By studying the mesoscale mechanism of the frequency effect of the non-classical nonlinear behavior, a non-classical nonlinear theory model with frequency effect is established.

通过对岩石的非经典非线性时频效应的微观机制的研究，建立了能够反映岩石的非经典非线性时频特征的理论模型。

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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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This article didn’t find the effect of word frequency on naming and category-specific anomia.

未发现命名的词频效应和特殊范畴的命名障碍。

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Britain's Treasury recently commissioned a study on the effect of high-frequency traders on markets.

ECONOMIST: The post mortem into the stockmarket slide of May 6th

The math of tumor growth led to the discovery that just changing the frequency of chemo treatments can boost their effect significantly.

FORBES: Ideas & Opinions

Dr Ardavan is confident that, if the machine can be coaxed into doing this, it will radiate in exactly the way he predicts, providing a tuneable and compact source of high-frequency microwaves in effect, a tabletop pulsar, without the neutron star.

ECONOMIST: Physics