所有上述元件所取代，一个单一的空心轴与剪纸艺术的战略位置。
All of the above mentioned components are replaced by a single hallow shaft with cutouts in strategic locations.
本文研究的电磁阻尼器是一种特殊结构的空心杯发电机，它主要用于对能量的吸收和耗散，达到减振消能的目的，是具有很高单位耗能的能量吸收元件。
The electromagnetic damper studied in this paper belongs to a special kind of coreless generator, which is used for the energy absorption and dissipation in order to weaken vibration.
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