Typically caused by distortions to the frequency components below the horizontal line frequency.

它沿水平方向逐步扩展，通常是由低于行频的频率畸变造成的。

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The supply 'output response demonstrates its ability to attenuate the various frequency components of a line or load step.

电源的输出响应能够反应出电源对于因输入和负载跃变而产生的各种频率谐波的衰减能力。

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An on-line predicting method of the vibration frequency components that are chosen as the sensitive factors for the faults trend predicting of mechanical parts is put forward.

提出了对机械系统零部件故障进行趋势预测的振动频率分量敏感因子在线预测方法。

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