are completely filled they do not have any net magneticdipole moment in the absence of external magnetic field. When present, such field distorts the trajectories
矩(Torque、Moment)有下列意義: 動差(moment) 矩 (图像) 力矩(Moment of force) 向量矩(Moment of a vector) 慣矩(Moment of inertia),又稱轉動慣量。 磁矩(Magnetic moment) 電偶極矩(Electric dipole moment)