Magnetic induction intensity, magnetic flux, Gauss theorem of magnetic field, Biot-Savar law, magnetic field of moved charge.
磁感应强度，磁通量，磁场的高斯定理。毕？萨定律，运动电荷产生的磁场。
Magnetic induction intensity, magnetic flux, Gauss theorem of magnetic field, Biot-Savar law, magnetic field of moved charge.
磁感应强度，磁通量，磁场的高斯定理。毕？萨定律，运动电荷产生的磁场。
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