轴系回转误差运动的特征是一项复合信号，它含有周期分量和随机分量。
The characteristics of error motion of shafting is a complex signal which includes periodic component and random term.
复合误差是电流互感器的一项重要指标。
The complex error is an important index of current transformers which is defined as an IEC criterion.
复合误差是电流互感器的一项重要指标。
The complex error is an important index of current transformers which is defined as an IEC criterion.
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