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1. The system's performance is subject to periodic speed fluctuations.
该系统的性能受到周期性速度波动的影响。
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2. Due to the periodic speed fluctuations, the signal quality can vary significantly.
由于周期性速度波动，信号质量可以显著变化。
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3. The researcher observed that the temperature experienced periodic speed fluctuations during the experiment.
研究者观察到实验期间温度经历了周期性速度波动。