The substantial difference lies in that guaranteed rate frequency method determines the rate artificially, but synthetic duration curve method has its intrinsic frequency.

其根本差别只在于保证率频率法是人为地确定频率，而综合历时曲线法本身固有一个频率。

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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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Yet overall, he said, major industry players are clustering together, at a higher rate of frequency, in terms of the pace of their new-product introductions.

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The vertical axis is conversion rate and the horizontal axis is frequency.

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The Australian research focused on the thermal effects or specific absorption rate (SAR) of radio frequency radiation - a measure of its actual effects on brain tissue, whereas the earlier study simply looked at electromagnetic radiation levels.

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