物理课上，教师做了一个奇妙的“电磁阻尼”实验。如图3所示，a是由铜片和绝缘细杆组成的�，其�动平面通过电磁铁的两极之间，当绕在电磁铁上的励磁 Sketch Coloring Page

物理课上，教师做了一个奇妙的“电磁阻尼”实验。如图3所示，a是由铜片和绝缘细杆组成的�，其�动平面通过电磁铁的两极之间，当绕在电磁铁上的励磁 Template

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tomski物理课上，教师做了一个奇妙的“电磁阻尼”实验。如图3所示，a是由铜片和绝缘细杆组成的�，其�动平面通过电磁铁的两极之间，当绕在电磁铁上的励磁 coloring

物理课上，教师做了一个奇妙的“电磁阻尼”实验。如图3所示，A是由铜片和绝缘细杆组成的�，其�动平面通过电磁铁的两极之间，当绕在电磁铁上的励磁 sketch template

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