短語詞組短語magnetic matrix perturbation field 磁擾場magnetic c perturbation 磁擾動magnetic matrix perturbation 磁微擾magnetic field perturbation 磁場攝動strong magnetic perturbation 磁擾Resonant magnetic perturbation 共振磁擾動perturbation magnetic 磁微擾perturbation of magnetic field 磁場攝動 返回 magnetic perturbation