• 1. accumulated frequency: 累积频数
• 2. accumulated frequency of rainfall: 降水量保证率
• 3. accumulated frequency chart: 累积次数图

• 1.To conveniently and accurately evaluate the wind-induced accumulated fatigue damage of high-rise structures in frequency domain, an improved equivalent narrow band method was proposed.
  为了在频域内方便准确地估算高耸结构的风振疲劳累积损伤，提出了一种改进的等效窄带算法。
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• 2.High frequency noise of gears is mainly from tooth error and base pitch, and low frequency noise from accumulated errors of tooth spacing.
  齿轮高频噪声产生的主要原因是齿形误差和基节偏差；低频噪声产生的主要原因是齿距积累误差。
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• 3.The accumulated fatigue damage was calculated in frequency domain by equivalent stress method and equivalent narrow band method respectively.
  在频域内分别用等效应力法和等效窄带法计算了累积损伤。
  dict.yoduao.com

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